statement.setInt(3,mounth); statement.setInt(4,day); //执行sql statement.executeUpdate(); day++; //判断日期是否最大值最后一天 if (day>maxDay){ day=1; } } //提交事物 conn.commit(); } catch (SQLException e) { e.printStackTrace(); //出现异常回滚 try { if (conn!=null){ conn.r...
EN一、概述 由于业务需求，需要对某个excel数据做查询。其中： excel文件名，不固定 sheet数量，不固定 ...
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() ' Declares a string variable named answer Dim answer As String ' Assigns the return value of the InputBox function to answer answer = InputBox(Prompt:="What is your name?") ' Conditional If...Then...Else statement If answer = Empty Then ' Calls the MsgBox function MsgBox Prompt:=...
The first part I highlighted in red and underlined is a 'standard' IF statement: IF( [condition], [true], [false]) and from there I get lost. The format of an IFS() statement is IFS( [condition1], [output if condition1 true], [condition2], [output if condition2 is true], .....
问在Excel中，"IsNull()“和"var = Null”有什么区别？EN双等号(==) 符号检查松散相等，而三等号(...
*@paramstatement *@paramresultSet *@MethodName: close *@return: void */ publicstaticvoidclose(Connection connection, Statement statement, ResultSet resultSet){ close(connection, statement); if(resultSet !=null) { try{ resultSet.close;
(); statement = connection.createStatement(); logSql(sql); resultSet = statement.executeQuery(sql); if (resultSet != null) { while (resultSet.next()) { // 组装数据为json 对象 JSONObject data = new JSONObject(); ResultSetMetaData metaData = resultSet.getMetaData(); int columnCount = ...
const blob=newBlob([res], {//设置返回的文件类型type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'});//判断是否为预览功能if(type == 'search') {//将blob转为xlsxFile文件let file =newwindow.File([blob], data.statementName + ".xlsx", { type: 'application/vnd.openxml...
1publicImportExcel(String fileName, InputStream is,intheaderNum,intsheetIndex)throwsInvalidFormatException, IOException {2if(StringUtils.isBlank(fileName)) {3thrownewRuntimeException("导入文档为空!");4}elseif(fileName.toLowerCase().endsWith("xls")) {5this.wb =newHSSFWorkbook(is);6}elseif(fi...