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DntComparer by Qt 5
DntComparer v1.0 -20140125 --------------------- Author:xiaot Email:[email protected] Qt:5.2.0 mingw:4.8.0 on Microsoft Windows 7 (32-bit) 项目主页:https://github.com/liuqiang1357/DntComparer 说明: 先打开dnt1,再打开dnt2,按比较按键开始比较 比较结果分为修改,删减,增加三种。两文件不同的部分用彩色标出,红色标签为dnt1,蓝色标签为dnt2。 性能: 打开文件的速度大概为2M每秒 导出xlsx速度大概为10万个单元格每秒 导出时单元格过多可能导致内存溢出 注意: uistring.xml 必须符合标准xml规范 放在程序的同一目录下 不可改名 可以替换 打开文件过程中可以用停止按钮停止加载 文件数据结构: 文件=表头+列信息+数据体 表头:4字节(00)+2字节列数(整型)+4字节行数(整型) 列信息:(2字节标题字节数(整型)+标题(字符型)*标题字节数+1字节列数据类型(整型))*表头列数 数据体:(4字节列编号(整型)+列数据(对应列数据类型决定)*表头列数)*表头行数 数据类型: 01:字符串型:2字节字符串长度+内容(字符串) 02:32位整型数:长度为4字 03:32位整型数:长度为4字 04:32位浮点数:长度为4字 05:32位浮点数:长度为4字
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