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大小: 34KB文件類型: .rar金幣: 2下載: 0 次發布日期: 2021-06-12
- 語言: Java
- 標簽:
資源簡介
poi讀取大數據量excel文件,避免內存溢出,行級操作
根據本網站的資源修改的。
將一些類路徑錯誤全部進行了修正。
另外,需要自己在類路徑里,放spring-context.jar和spring-beans.jar包。

代碼片段和文件信息
package?com.telesound.dataimport;
import?java.util.ArrayList;
import?java.util.Date;
import?java.util.HashMap;
import?java.util.List;
import?java.util.Map;
import?com.telesound.dataimport.util.BeanUtil;
import?com.telesound.dataimport.util.StringUtil;
/**
?*?數據導入列規則的封裝類
?*?@author?zhangchaofeng
?*?@version?1.0
?*?@date?Sep?23?2011
?*/
public?class?DataImportColumnRule{
private?String?id;?????????????????????//唯一標識,uuid
private?Date?createTime;???????????????//創建時間
private?String?tableRuleId;????????????//data_import_table_rule表的主鍵
private?boolean?isPk;??????????????????//是否主鍵
private?String?produceMethod;??????????//生成方法
private?boolean?isUnique;??????????????//是否唯一,用來判定重復數據
private?String?columnName;?????????????//列名稱
private?String?headerName;?????????????//對應excel列頭
private?boolean?required;??????????????//是否必須導入
private?String?dataType;???????????????//數據類型,string/number/date
private?String?dateFormat;?????????????//日期格式
private?int?maxLength;?????????????????//最大允許長度
private?String?produceMethodValue;?????//生成方法值
private?String?comments;???????????????//備注
private?boolean?fromList;??????????????//數據來源于列表
private?String?dataList;???????????????//數據列表
private?boolean?isDictionary;??????????//是否屬于字典
private?String?dicTableName;???????????//字典表名稱
private?String?dicTypeColumn;??????????//字典類型列的名稱
private?String?dicTypeValue;???????????//字典類型值
private?String?dicRequiredColumn;??????//獲取值的列名稱
private?String?dicReferenceColumn;?????//參考值的列名稱
private?String?dicCondition;???????????//字典條件
private?boolean?enable;????????????????//是否有效
private?String?blank1;
private?String?blank2;
private?String?blank3;
private?String?blank4;
private?String?blank5;
@Override
public?boolean?equals(object?obj)?{
if(obj?==?null)?{
return?false;
}?else?{
if(obj?instanceof?DataImportColumnRule)?{
DataImportColumnRule?rule?=?(DataImportColumnRule)obj;
if(this.tableRuleId==null||(this.columnName==null&&this.headerName==null)){
return?false;
}
????if(this.tableRuleId?.equals(rule.getTableRuleId())?&&?(this.columnName
???? .equals(rule.getColumnName())||this.headerName.equals(rule.getHeaderName())))?{
???? return?true;
????}
}
}
return?false;
}
@Override
public?int?hashCode()?{
return?this.tableRuleId.hashCode()*this.columnName.hashCode()*this.headerName.hashCode();
}
public?static?Map?getColumnRuleMap(String?tableRuleId){
Map?columnRules=new?HashMap();
List?args=new?ArrayList();
args.add(tableRuleId);
String?sql=“select?id?from?data_import_column_rule?where?table_rule_id=??and?enable=1?order?by?create_time?asc“;
List?columnRuleList=DBAccess.getManyMap(sql?args);
for(int?i=0;i Map?info=(Map)columnRuleList.get(i);
DataImportColumnRule?columnRule=getColumnRule(StringUtil.getString
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????9138??2012-02-06?08:55??com\telesound\dataimport\DataImportColumnRule.java
?????文件???????5814??2012-02-06?08:55??com\telesound\dataimport\DataImportTableRule.java
?????文件??????23731??2012-02-06?08:55??com\telesound\dataimport\DBAccess.java
?????文件??????10196??2012-02-06?08:55??com\telesound\dataimport\excel\Excel2003RowProcessor.java
?????文件???????6117??2012-02-06?08:55??com\telesound\dataimport\excel\Excel2007RowProcessor.java
?????文件???????1690??2012-02-06?08:55??com\telesound\dataimport\excel\ExcelProcessor.java
?????文件????????409??2012-02-06?08:55??com\telesound\dataimport\excel\ExcelRowProcessor.java
?????文件???????1099??2012-02-06?10:16??com\telesound\dataimport\excel\TestReadExcel.java
?????文件????????641??2012-02-06?08:55??com\telesound\dataimport\excel\XCell.java
?????文件????????641??2012-02-06?08:55??com\telesound\dataimport\excel\XRow.java
?????文件??????25269??2012-02-06?08:55??com\telesound\dataimport\ExcelImporter.java
?????文件????????274??2012-02-06?08:55??com\telesound\dataimport\exception\CellContentTooLongException.java
?????文件????????253??2012-02-06?08:55??com\telesound\dataimport\exception\ColumnRuleNotFoundException.java
?????文件????????292??2012-02-06?08:55??com\telesound\dataimport\exception\CustomProduceMethodNotFoundException.java
?????文件????????362??2012-02-06?08:55??com\telesound\dataimport\exception\DataImportException.java
?????文件????????278??2012-02-06?08:55??com\telesound\dataimport\exception\DataLengthOutofBoundException.java
?????文件????????269??2012-02-06?08:55??com\telesound\dataimport\exception\DataTypeNotMatchException.java
?????文件????????274??2012-02-06?08:55??com\telesound\dataimport\exception\DateFormatNotFoundException.java
?????文件????????268??2012-02-06?08:55??com\telesound\dataimport\exception\DicItemNotFoundException.java
?????文件????????292??2012-02-06?08:55??com\telesound\dataimport\exception\EmptyDefaultValueException.java
?????文件????????265??2012-02-06?08:55??com\telesound\dataimport\exception\ErrorDataListException.java
?????文件????????279??2012-02-06?08:55??com\telesound\dataimport\exception\ExcelExistSameColumnException.java
?????文件????????271??2012-02-06?08:55??com\telesound\dataimport\exception\FromListNotFoundException.java
?????文件????????290??2012-02-06?08:55??com\telesound\dataimport\exception\NoValueOfDictionaryElementException.java
?????文件????????264??2012-02-06?08:55??com\telesound\dataimport\exception\NullCellValueException.java
?????文件????????305??2012-02-06?08:55??com\telesound\dataimport\exception\TableRuleNotFoundException.java
?????文件???????2997??2012-02-06?08:55??com\telesound\dataimport\FileUploader.java
?????文件????????609??2012-02-06?08:55??com\telesound\dataimport\ImportLogger.java
?????文件???????1064??2012-02-06?08:55??com\telesound\dataimport\ImportResult.java
?????文件???????1193??2012-02-06?08:55??com\telesound\dataimport\producor\CameraIdProducor.java
............此處省略21個文件信息
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