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fix #I2BMP1
This commit is contained in:
Looly
parent
bcaf05c589
commit
3c2f0e46b0
@ -3,7 +3,7 @@
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-------------------------------------------------------------------------------------------------------------
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# 5.5.7 (2021-01-02)
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# 5.5.7 (2021-01-03)
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### 新特性
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* 【core 】 DynaBean.create增加重载方法（pr#245@Gitee）
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@ -13,6 +13,7 @@
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* 【extra 】 MailUtil增加getSession方法
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### Bug修复
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* 【core 】 修复CsvReader读取双引号未转义问题（issur#I2BMP1@Gitee）
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-------------------------------------------------------------------------------------------------------------
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@ -1,26 +1,34 @@
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package cn.hutool.core.text.csv;
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import java.io.Serializable;
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import cn.hutool.core.util.CharUtil;
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import java.io.Serializable;
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/**
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* CSV基础配置项
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*
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* CSV基础配置项，此配置项可用于读取和写出CSV，定义了包括字段分隔符、文本包装符等符号
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*
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* @author looly
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* @since 4.0.5
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*/
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public class CsvConfig implements Serializable{
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public class CsvConfig implements Serializable {
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private static final long serialVersionUID = -8069578249066158459L;
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/** 字段分隔符，默认逗号',' */
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/**
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* 字段分隔符，默认逗号','
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*/
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protected char fieldSeparator = CharUtil.COMMA;
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/** 文本分隔符，文本包装符，默认双引号'"' */
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/**
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* 文本包装符，默认双引号'"'
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*/
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protected char textDelimiter = CharUtil.DOUBLE_QUOTES;
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/**
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* 注释符号，用于区分注释行，默认'#'
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*/
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protected char commentCharacter = '#';
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/**
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* 设置字段分隔符，默认逗号','
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*
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*
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* @param fieldSeparator 字段分隔符，默认逗号','
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*/
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public void setFieldSeparator(final char fieldSeparator) {
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@ -29,10 +37,20 @@ public class CsvConfig implements Serializable{
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/**
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* 设置 文本分隔符，文本包装符，默认双引号'"'
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*
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*
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* @param textDelimiter 文本分隔符，文本包装符，默认双引号'"'
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*/
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public void setTextDelimiter(char textDelimiter) {
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this.textDelimiter = textDelimiter;
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}
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/**
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* 设置 注释符号，用于区分注释行
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*
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* @param commentCharacter 注释符号，用于区分注释行
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* @since 5.5.7
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*/
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public void setCommentCharacter(char commentCharacter) {
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this.commentCharacter = commentCharacter;
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}
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}
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@ -32,33 +32,55 @@ public final class CsvParser implements Closeable, Serializable {
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private final CsvReadConfig config;
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private final char[] buf = new char[IoUtil.DEFAULT_LARGE_BUFFER_SIZE];
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/** 当前位置 */
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/**
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* 当前位置
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*/
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private int bufPos;
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/** 读取一段后数据长度 */
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/**
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* 读取一段后数据长度
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*/
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private int bufLen;
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/** 拷贝开始的位置，一般为上一行的结束位置 */
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/**
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* 拷贝开始的位置，一般为上一行的结束位置
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*/
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private int copyStart;
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/** 前一个特殊分界字符 */
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/**
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* 前一个特殊分界字符
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*/
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private int preChar = -1;
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/** 是否在引号包装内 */
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/**
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* 是否在引号包装内
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*/
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private boolean inQuotes;
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/** 当前读取字段 */
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/**
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* 当前读取字段
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*/
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private final StrBuilder currentField = new StrBuilder(512);
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/** 标题行 */
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/**
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* 标题行
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*/
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private CsvRow header;
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/** 当前行号 */
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/**
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* 当前行号
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*/
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private long lineNo;
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/** 第一行字段数，用于检查每行字段数是否一致 */
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/**
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* 第一行字段数，用于检查每行字段数是否一致
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*/
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private int firstLineFieldCount = -1;
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/** 最大字段数量 */
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/**
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* 最大字段数量
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*/
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private int maxFieldCount;
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/** 是否读取结束 */
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/**
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* 是否读取结束
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*/
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private boolean finished;
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/**
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* CSV解析器
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*
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*
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* @param reader Reader
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* @param config 配置，null则为默认配置
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*/
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@ -84,7 +106,7 @@ public final class CsvParser implements Closeable, Serializable {
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}
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/**
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*读取下一行数据
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* 读取下一行数据
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*
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* @return CsvRow
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* @throws IORuntimeException IO读取异常
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@ -97,7 +119,7 @@ public final class CsvParser implements Closeable, Serializable {
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startingLineNo = ++lineNo;
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currentFields = readLine();
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fieldCount = currentFields.size();
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if(fieldCount < 1){
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if (fieldCount < 1) {
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break;
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}
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@ -135,24 +157,24 @@ public final class CsvParser implements Closeable, Serializable {
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/**
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* 当前行做为标题行
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*
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*
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* @param currentFields 当前行字段列表
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*/
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private void initHeader(final List<String> currentFields) {
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final Map<String, Integer> localHeaderMap = new LinkedHashMap<>(currentFields.size());
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for (int i = 0; i < currentFields.size(); i++) {
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final String field = currentFields.get(i);
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if (StrUtil.isNotEmpty(field) && false ==localHeaderMap.containsKey(field)) {
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if (StrUtil.isNotEmpty(field) && false == localHeaderMap.containsKey(field)) {
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localHeaderMap.put(field, i);
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}
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}
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header = new CsvRow(this.lineNo, Collections.unmodifiableMap(localHeaderMap), Collections.unmodifiableList(currentFields));
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header = new CsvRow(this.lineNo, Collections.unmodifiableMap(localHeaderMap), Collections.unmodifiableList(currentFields));
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}
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/**
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* 读取一行数据
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*
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*
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* @return 一行数据
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* @throws IORuntimeException IO异常
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*/
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@ -185,7 +207,7 @@ public final class CsvParser implements Closeable, Serializable {
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if (localPreChar == config.fieldSeparator || localCurrentField.hasContent()) {
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//剩余部分作为一个字段
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currentFields.add(StrUtil.unWrap(localCurrentField.toStringAndReset(), config.textDelimiter));
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addField(currentFields, localCurrentField.toStringAndReset());
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}
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break;
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}
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@ -208,36 +230,40 @@ public final class CsvParser implements Closeable, Serializable {
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}
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copyLen++;
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} else {
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// 非引号内
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if (c == config.fieldSeparator) {
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//一个字段结束
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if (copyLen > 0) {
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localCurrentField.append(localBuf, localCopyStart, copyLen);
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copyLen = 0;
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}
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currentFields.add(StrUtil.unWrap(localCurrentField.toStringAndReset(), config.textDelimiter));
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addField(currentFields, localCurrentField.toStringAndReset());
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localCopyStart = localBufPos;
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} else if (c == config.textDelimiter) {
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// 引号开始
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inQuotes = true;
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copyLen++;
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} else if (c == CharUtil.CR) {
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// \r，直接结束
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if (copyLen > 0) {
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localCurrentField.append(localBuf, localCopyStart, copyLen);
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}
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currentFields.add(StrUtil.unWrap(localCurrentField.toStringAndReset(), config.textDelimiter));
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addField(currentFields, localCurrentField.toStringAndReset());
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localPreChar = c;
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localCopyStart = localBufPos;
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break;
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} else if (c == CharUtil.LF) {
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// \n
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if (localPreChar != CharUtil.CR) {
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if (copyLen > 0) {
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localCurrentField.append(localBuf, localCopyStart, copyLen);
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}
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currentFields.add(StrUtil.unWrap(localCurrentField.toStringAndReset(), config.textDelimiter));
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addField(currentFields, localCurrentField.toStringAndReset());
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localPreChar = c;
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localCopyStart = localBufPos;
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break;
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}
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// 前一个字符是\r，已经处理过这个字段了，此处直接跳过
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localCopyStart = localBufPos;
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} else {
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copyLen++;
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@ -254,9 +280,22 @@ public final class CsvParser implements Closeable, Serializable {
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return currentFields;
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}
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@Override
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public void close() throws IOException {
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reader.close();
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}
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/**
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* 将字段加入字段列表并自动去包装和去转义
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*
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* @param currentFields 当前的字段列表（即为行）
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* @param field 字段
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*/
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private void addField(List<String> currentFields, String field) {
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field = StrUtil.unWrap(field, config.textDelimiter);
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char textDelimiter = this.config.textDelimiter;
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field = StrUtil.replace(field, "" + textDelimiter + textDelimiter, textDelimiter + "");
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currentFields.add(StrUtil.unWrap(field, textDelimiter));
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}
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}
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@ -29,17 +29,24 @@ import java.util.Collection;
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public final class CsvWriter implements Closeable, Flushable, Serializable {
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private static final long serialVersionUID = 1L;
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/** 写出器 */
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/**
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* 写出器
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*/
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private final Writer writer;
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/** 写出配置 */
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/**
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* 写出配置
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*/
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private final CsvWriteConfig config;
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/** 是否处于新行开始 */
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/**
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* 是否处于新行开始
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*/
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private boolean newline = true;
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// --------------------------------------------------------------------------------------------------- Constructor start
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/**
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* 构造，覆盖已有文件（如果存在），默认编码UTF-8
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*
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*
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* @param filePath File CSV文件路径
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*/
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public CsvWriter(String filePath) {
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@ -48,7 +55,7 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 构造，覆盖已有文件（如果存在），默认编码UTF-8
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*
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*
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* @param file File CSV文件
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*/
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public CsvWriter(File file) {
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@ -57,9 +64,9 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 构造，覆盖已有文件（如果存在）
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*
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*
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* @param filePath File CSV文件路径
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* @param charset 编码
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* @param charset 编码
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*/
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public CsvWriter(String filePath, Charset charset) {
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this(FileUtil.file(filePath), charset);
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@ -67,8 +74,8 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 构造，覆盖已有文件（如果存在）
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*
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* @param file File CSV文件
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*
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* @param file File CSV文件
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* @param charset 编码
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*/
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public CsvWriter(File file, Charset charset) {
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@ -77,9 +84,9 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 构造
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*
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*
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* @param filePath File CSV文件路径
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* @param charset 编码
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* @param charset 编码
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* @param isAppend 是否追加
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*/
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public CsvWriter(String filePath, Charset charset, boolean isAppend) {
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@ -88,9 +95,9 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 构造
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*
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* @param file CSV文件
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* @param charset 编码
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*
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* @param file CSV文件
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* @param charset 编码
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* @param isAppend 是否追加
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*/
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public CsvWriter(File file, Charset charset, boolean isAppend) {
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@ -99,11 +106,11 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 构造
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*
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*
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* @param filePath CSV文件路径
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* @param charset 编码
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* @param charset 编码
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* @param isAppend 是否追加
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* @param config 写出配置，null则使用默认配置
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* @param config 写出配置，null则使用默认配置
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*/
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public CsvWriter(String filePath, Charset charset, boolean isAppend, CsvWriteConfig config) {
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this(FileUtil.file(filePath), charset, isAppend, config);
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@ -111,11 +118,11 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 构造
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*
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* @param file CSV文件
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* @param charset 编码
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*
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* @param file CSV文件
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* @param charset 编码
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* @param isAppend 是否追加
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* @param config 写出配置，null则使用默认配置
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* @param config 写出配置，null则使用默认配置
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*/
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public CsvWriter(File file, Charset charset, boolean isAppend, CsvWriteConfig config) {
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this(FileUtil.getWriter(file, charset, isAppend), config);
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@ -123,7 +130,7 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 构造，使用默认配置
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*
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*
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* @param writer {@link Writer}
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*/
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public CsvWriter(Writer writer) {
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@ -132,7 +139,7 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 构造
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*
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*
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* @param writer Writer
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* @param config 写出配置，null则使用默认配置
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*/
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@ -144,7 +151,7 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 设置是否始终使用文本分隔符，文本包装符，默认false，按需添加
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*
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*
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* @param alwaysDelimitText 是否始终使用文本分隔符，文本包装符，默认false，按需添加
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* @return this
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*/
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@ -155,7 +162,7 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 设置换行符
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*
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*
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* @param lineDelimiter 换行符
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* @return this
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*/
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@ -166,7 +173,7 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 将多行写出到Writer
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*
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*
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* @param lines 多行数据
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* @return this
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* @throws IORuntimeException IO异常
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@ -183,7 +190,7 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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/**
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* 将多行写出到Writer
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*
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*
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* @param lines 多行数据，每行数据可以是集合或者数组
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* @return this
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* @throws IORuntimeException IO异常
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@ -198,18 +205,55 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
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return this;
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}
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/**
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* 写出一行
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*
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* @param fields 字段列表 ({@code null} 值会被做为空值追加)
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* @return this
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* @throws IORuntimeException IO异常
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* @since 5.5.7
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*/
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public CsvWriter writeLine(String... fields) throws IORuntimeException {
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if (ArrayUtil.isEmpty(fields)) {
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return writeLine();
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}
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appendLine(fields);
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return this;
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}
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/**
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* 追加新行（换行）
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*
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* @throws IORuntimeException IO异常
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*/
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public void writeLine() throws IORuntimeException {
|
||||
public CsvWriter writeLine() throws IORuntimeException {
|
||||
try {
|
||||
writer.write(config.lineDelimiter);
|
||||
} catch (IOException e) {
|
||||
throw new IORuntimeException(e);
|
||||
}
|
||||
newline = true;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* 写出一行注释，注释符号可自定义
|
||||
*
|
||||
* @param comment 注释内容
|
||||
* @return this
|
||||
* @see CsvConfig#commentCharacter
|
||||
* @since 5.5.7
|
||||
*/
|
||||
public CsvWriter writeComment(String comment) {
|
||||
try {
|
||||
writer.write(this.config.commentCharacter);
|
||||
writer.write(comment);
|
||||
writer.write(config.lineDelimiter);
|
||||
newline = true;
|
||||
} catch (IOException e) {
|
||||
throw new IORuntimeException(e);
|
||||
}
|
||||
return this;
|
||||
}
|
||||
|
||||
@Override
|
||||
@ -227,13 +271,14 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------------------------------- Private method start
|
||||
|
||||
/**
|
||||
* 追加一行，末尾会自动换行，但是追加前不会换行
|
||||
*
|
||||
* @param fields 字段列表 ({@code null} 值会被做为空值追加)
|
||||
* @throws IORuntimeException IO异常
|
||||
*/
|
||||
private void appendLine(final String... fields) throws IORuntimeException {
|
||||
private void appendLine(String... fields) throws IORuntimeException {
|
||||
try {
|
||||
doAppendLine(fields);
|
||||
} catch (IOException e) {
|
||||
@ -276,7 +321,7 @@ public final class CsvWriter implements Closeable, Flushable, Serializable {
|
||||
|
||||
if (null == value) {
|
||||
if (alwaysDelimitText) {
|
||||
writer.write(new char[] { textDelimiter, textDelimiter });
|
||||
writer.write(new char[]{textDelimiter, textDelimiter});
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
@ -47,7 +47,7 @@ public class CharUtil {
|
||||
public static final char AMP = '&';
|
||||
/** 字符常量：冒号 {@code ':'} */
|
||||
public static final char COLON = ':';
|
||||
/** 字符常量：艾特 <code>'@'</code> */
|
||||
/** 字符常量：艾特 {@code '@'} */
|
||||
public static final char AT = '@';
|
||||
|
||||
/**
|
||||
|
||||
@ -1,8 +1,9 @@
|
||||
package cn.hutool.core.text.csv;
|
||||
|
||||
import cn.hutool.core.io.FileUtil;
|
||||
import cn.hutool.core.lang.Assert;
|
||||
import cn.hutool.core.lang.Console;
|
||||
import cn.hutool.core.util.CharsetUtil;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Ignore;
|
||||
import org.junit.Test;
|
||||
|
||||
@ -16,26 +17,49 @@ public class CsvUtilTest {
|
||||
//从文件中读取CSV数据
|
||||
CsvData data = reader.read(FileUtil.file("test.csv"));
|
||||
List<CsvRow> rows = data.getRows();
|
||||
for (CsvRow csvRow : rows) {
|
||||
Assert.notEmpty(csvRow.getRawList());
|
||||
}
|
||||
final CsvRow row0 = rows.get(0);
|
||||
Assert.assertEquals("sss,sss", row0.get(0));
|
||||
Assert.assertEquals("姓名", row0.get(1));
|
||||
Assert.assertEquals("性别", row0.get(2));
|
||||
Assert.assertEquals("关注\"对象\"", row0.get(3));
|
||||
Assert.assertEquals("年龄", row0.get(4));
|
||||
Assert.assertEquals("", row0.get(5));
|
||||
Assert.assertEquals("\"", row0.get(6));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void readTest2() {
|
||||
CsvReader reader = CsvUtil.getReader();
|
||||
reader.read(FileUtil.getUtf8Reader("test.csv"), (csvRow)-> Assert.notEmpty(csvRow.getRawList()));
|
||||
reader.read(FileUtil.getUtf8Reader("test.csv"), (csvRow)-> {
|
||||
// 只有一行，所以直接判断
|
||||
Assert.assertEquals("sss,sss", csvRow.get(0));
|
||||
Assert.assertEquals("姓名", csvRow.get(1));
|
||||
Assert.assertEquals("性别", csvRow.get(2));
|
||||
Assert.assertEquals("关注\"对象\"", csvRow.get(3));
|
||||
Assert.assertEquals("年龄", csvRow.get(4));
|
||||
Assert.assertEquals("", csvRow.get(5));
|
||||
Assert.assertEquals("\"", csvRow.get(6));
|
||||
});
|
||||
}
|
||||
|
||||
@Test
|
||||
@Ignore
|
||||
public void writeTest() {
|
||||
CsvWriter writer = CsvUtil.getWriter("e:/testWrite.csv", CharsetUtil.CHARSET_UTF_8);
|
||||
CsvWriter writer = CsvUtil.getWriter("d:/test/testWrite.csv", CharsetUtil.CHARSET_UTF_8);
|
||||
writer.write(
|
||||
new String[] {"a1", "b1", "c1", "123345346456745756756785656"},
|
||||
new String[] {"a2", "b2", "c2"},
|
||||
new String[] {"a3", "b3", "c3"}
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
@Ignore
|
||||
public void readLfTest(){
|
||||
final CsvReader reader = CsvUtil.getReader();
|
||||
final CsvData read = reader.read(FileUtil.file("d:/test/rw_test.csv"));
|
||||
for (CsvRow row : read) {
|
||||
Console.log(row);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -1 +1 @@
|
||||
"sss,sss",姓名,"性别",关注"对象",年龄
|
||||
"sss,sss",姓名,"性别",关注"对象",年龄,"","""
|
||||
|
Can't render this file because it contains an unexpected character in line 1 and column 33.
|
Loading…
Reference in New Issue
Block a user