Socket transfer JSON data

//request JSON data for login{    "Request": "Login",    "Data":    {    "username": "Zhangsan",    "Password": "123",    "Client": "iphone",    "Other": ""    }}//JSON data when requesting a query1. Query by name {"Request": "Querybyname",    "Data":    {    "username": "Zhangsan",    "Client": "iphone"    }}2. Query by work number {"Request": "Querybyid",    "Data":    {    "Teaid": "1650111",//See how database fields are designed specifically"Client": "iphone"    }}//request JSON data to change the password{    "Request": "ChangePassword",    "Data":    {    "Password": "123456" "Client": "iphone"    }}//JSON data returned successfully by login{    "Result": "Success",    "Data":    {    "Request": "Login",    "username": "Zhangsan",    }}//JSON data returned by login error, error code{    "Result": "Error",    "Error":    {    "ErrorCode": "000",    "ErrorMsg": "Username or password is incorrect"    }}//JSON data returned by name query error, error code 001{    "Result": "Error",    "Error":    {    "ErrorCode": "001",    "ErrorMsg": "User name does not exist"    }}//JSON data returned by error when queried by the teacher work number, error code 002{    "Result": "Error",    "Error":    {    "ErrorCode": "002",    "ErrorMsg": "Teacher work number does not exist"    }}//the data returned by the error when changing the password 003{    "Result": "Error",    "Error":    {    "ErrorCode": "003",    "ErrorMsg": "Failed to modify password, does not meet password requirements"    }}

Socket transfer JSON data