SOURCE

var str = "{10050203={00=显示页面, 01=查询, 02=新增, 14=分配, 04=修改}, 10050201={00=显示页面, 01=查询, 14=分配}}";
str = str.replace(/ /g, '');
str = str.replace(/{/g, '{"');
str = str.replace(/=/g, '":"');
str = str.replace(/,/g, '","');
str = str.replace(/}/g, '"}');
str = str.replace(/}"/g, '}');
str = str.replace(/"{/g, "{");
str =JSON.parse(str);
console.log(str)