$ajax Send request database data is not moving

The morning of the page to pass the value of the Chinese characters, the data has not gone through. Later colleagues to help solve, in controller layer plus @responsebody

@ResponseBody indicates that the return result of the method is written directly to the HTTP response body
Generally used when fetching data asynchronously, after using @requestmapping, the return value is usually resolved to a jump path,

After adding @responsebody, the returned result is not parsed into the jump path, but is written directly to the HTTP response body.

For example, asynchronously fetching JSON data, plus @responsebody, will return the JSON data directly.