1: Cause analysis
Original data format problem:There is one more "\"
"{\"obj_id\": \"shzc_test_01\", \"img_url\": \"/businessImages/imageFile/a7rMTLYrqIg/shzc_test_01/2020-05-11/shzc_test_01_1589190347333.jpg\"}"
Two: Problem solving
1. First use alibaba's fastjson(msg)Format
Format will automatically remove "\"
{"img_url": "/businessImages/imageFile/a7rMTLYrqIg/shzc_test_01/2020-05-11/shzc_test_01_1589195337809.jpg", "obj_id": "shzc_test_01", "upload_time": "2020-05-11 19:00:01"}
2. Reuse（msg,）Convert string to bean object