- intsub_test_opencv_xml_write(void)
- {
- //创建文件存储对象
- CvFileStorage*fs=cvOpenFileStorage("test.xml",CV_STORAGE_WRITE);
- //写注释
- cvWriteComment(fs,"测试写XML文件",1);
- //开始写结构，类型是图map，也就是有名字的无序节点集合
- cvStartWriteStruct(fs,"Employee",CV_NODE_MAP);
- //注释
- cvWriteComment(fs,"MAP类型，姓名，年龄，薪水",1);
- //姓名
- cvWriteString(fs,"name","刘越");
- //年龄
- cvWriteInt(fs,"age",18);
- //薪水
- cvWriteReal(fs,"salary",2780.3);
- //销售次数
- "sales_count",4);
- //销售具体数据
- intsales_record[]={30000,4200,50090};
- //注释
- "SEQ类型，销售记录",0); background-color:inherit">//开始写结构，类型是序列sequence，无名字的有序节点集合
- cvStartWriteStruct(fs,"sales_record",CV_NODE_SEQ);
- //前3条销售记录
- cvWriteRawData(fs,sales_record,3,"i");
- //第4条销售记录，注意无名字
- cvWriteInt(fs,6100);
- //结束
- cvEndWriteStruct(fs);
- }
- "MAP类型，亲友",0); background-color:inherit">//开始
- "Parent",CV_NODE_MAP);
- //父亲
- cvWriteString(fs,"father","杨舜");
- //母亲
- "mother","王娟");
- //结束
- cvEndWriteStruct(fs);
- //释放文件存储对象
- cvReleaseFileStorage(&fs);
- }
- intsub_test_opencv_xml_read(void)
- {
- //文件节点
- CvFileNode*node,*node2;
- char*str;
- intcount;
- int*d;
- //cve_dm.debug_break();
- //打开XML文件
- //获得第一层数据节点
- node=cvGetFileNodeByName(fs,"Employee");
- str=cvReadStringByName(fs,node,"name");
- printf("\n姓名=%s",str);
- printf("\n年龄=%d",cvReadIntByName(fs,"age"));
- printf("\n薪水=%g",cvReadRealByName(fs,"salary"));
- count=cvReadIntByName(fs,"sales_count");
- printf("\n销售%d条",count);
- d=cvAlloc(sizeof(int)*count);
- if(d)
- inti;
- node2=cvGetFileNodeByName(fs,"sales_record");
- if(node2)
- cvReadRawData(fs,node2,d,108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> printf("\n销售记录=");
- for(i=0;i<count;i++)
- printf("%d,",d[i]);
- cvFree(&d);
- //获得第二层节点
- "Parent");
- printf("\n根节点=%s",cvGetFileNodeName(node));
- str=cvReadStringByName(fs,"father");
- printf("\n父亲=%s",str);
- "mother");
- printf("\n母亲=%s",248); line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> }
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