使用Spring的Validator,對控制層controller做參數校驗
Controller:
import org.springframework.validation.BindingResult;
import javax.validation.Valid;
/**
* 測試
* Example:請求參數的類
*
*/
@RequestMapping(value = "/test")
public JSONObject test(@Valid Example ep, BindingResult result) {
log.info("=========================");
// 校驗
validator.validate(ep, result);
if (result.hasErrors()) {
String msg = result.getAllErrors().stream().map(e -> e.getDefaultMessage()).collect(Collectors.joining(","));
log.info(msg);
}
return new JSONObject();
}
Validator類:
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;
public class Validator implements Validator {
/** 判定clazz是否指定類 */
@Override
public boolean supports(Class<?> clazz) {
return Example.class.isAssignableFrom(clazz);
}
/** 實際的校驗方法 */
@Override
public void validate(Object target, Errors errors) {
Example ep = (Example) target;
if (StringUtils.isBlank(ep.getName())) {
// 類的屬性 錯誤代碼 錯誤描述
errors.rejectValue("name", "1100", "name is not null");
}
}
}
記錄,備忘……