//将Obj转为字符串Obj后再进行JSON转义
JSON.stringify(Object).replace(/\/g,"\\").replace(/"/g,"\"");
//得到的结果:
{"id":100200,"codes":"1111"},{"id":100172,"codes":"2020"}
//去除转义
Object= Object.replace(/\\/g,"\").replace(/\"/g,'"');
//结果
{"id":100200,"codes":"1111"},{"id":100172,"codes":"2020"}