var cStr = "{"c":"{\"b\":\"000\",\"b2\":\"{'d':'d'}\"}"}";
json字符串对象中包含json字符串对象 "" ''交替
var cStr = "{"c":{"b":"000","b1":"b","b2":"{\"d\":\"d\"}"}}";
json对象中包含json对象
var cStr = "{"c":"{\"b\":\"000\",\"b2\":\"{'d':'d'}\"}"}";
json字符串对象中包含json字符串对象 "" ''交替
var cStr = "{"c":{"b":"000","b1":"b","b2":"{\"d\":\"d\"}"}}";
json对象中包含json对象