一、controller中添加：

@Resource GatewayValidator gatewayValidator;

@RequestMapping(value = "/gateway/signup", method = RequestMethod.POST)public ApiResponse signup(@Valid Gateway gateway, BindingResult result) {    ApiResponse rspResult = new ApiResponse();    gatewayValidator.validate(gateway, result);    if(result.hasErrors()){        rspResult.setCode(ApiCode.PARMAS_ERROR);        rspResult.setMessage(BaseUtils.GetValidErrorMessage(result));    }    else {        //do something    }    return rspResult;}

二、model中添加（简单的校验可以直接卸载model类中）：

package smarthome.api.models;import com.alibaba.fastjson.JSONArray;import com.alibaba.fastjson.JSONObject;import org.apache.commons.lang3.time.DateUtils;import org.hibernate.validator.constraints.NotEmpty;import java.io.Serializable;import java.util.ArrayList;import java.util.Date;import java.util.List;public class Gateway extends BaseClass implements Serializable {        /**     * None     */    protected String vendorCode;    /**     * None     */    protected String productCode;    /**     * None     */    @NotEmpty(message = "序列号不能为空")    protected String serialNumber;    public Gateway() {    }        public String getVendorCode() {        return vendorCode;    }    public void setVendorCode(String vendorCode) {        this.vendorCode = vendorCode == null ? null : vendorCode.trim();    }    public String getProductCode() {        return productCode;    }    public void setProductCode(String productCode) {        this.productCode = productCode == null ? null : productCode.trim();    }    public String getSerialNumber() {        return serialNumber;    }    public void setSerialNumber(String serialNumber) {        this.serialNumber = serialNumber == null ? null : serialNumber.trim();    }}

三、简单的校验

package smarthome.api.validators;import org.apache.commons.lang3.StringUtils;import org.springframework.stereotype.Component;import org.springframework.validation.Errors;import org.springframework.validation.ValidationUtils;import org.springframework.validation.Validator;import javax.annotation.Resource;import java.util.List;@Componentpublic class GatewayValidator implements Validator {    public boolean supports(Class clazz) {        return Gateway.class.equals(clazz);    }    public void validate(Object target, Errors errors) {        Gateway gateway = (Gateway) target;        if(gateway.getGatewayId() == null && StringUtils.isEmpty(gateway.getSerialNumber())){            errors.rejectValue("gatewayId", null, "网关编号和序列号不能同时为空");            errors.rejectValue("serialNumber", null, "网关编号和序列号不能同时为空");        }    }}

 

四、嵌套的校验

1、父类(gateway)中添加校验

package smarthome.api.validators;import org.apache.commons.lang3.StringUtils;import org.springframework.stereotype.Component;import org.springframework.validation.Errors;import org.springframework.validation.ValidationUtils;import org.springframework.validation.Validator;import javax.annotation.Resource;import java.util.List;@Componentpublic class GatewayValidator implements Validator {    @Resource    private ModuleValidator moduleValidator;    public boolean supports(Class clazz) {        return Gateway.class.equals(clazz);    }    public void validate(Object target, Errors errors) {        Gateway gateway = (Gateway) target;        if(gateway.getGatewayId() == null && StringUtils.isEmpty(gateway.getSerialNumber())){            errors.rejectValue("gatewayId", null, "网关编号和序列号不能同时为空");            errors.rejectValue("serialNumber", null, "网关编号和序列号不能同时为空");        }        for(Module module : (List
     
      )gateway.getModuleList()){            ValidationUtils.invokeValidator(moduleValidator, module, errors);        }    }}
     

2、子类(module)中的校验

package smarthome.api.validators;import org.apache.commons.lang3.StringUtils;import org.springframework.stereotype.Component;import org.springframework.validation.Errors;import org.springframework.validation.ValidationUtils;import org.springframework.validation.Validator;import javax.annotation.Resource;@Componentpublic class ModuleValidator implements Validator {    @Resource    private IModuleService moduleService;    public boolean supports(Class clazz) {        return Module.class.equals(clazz);    }    public void validate(Object target, Errors errors) {        Module module = (Module) target;        if (StringUtils.isEmpty(module.getSerialNumber())) {            errors.rejectValue("serialNumber", null, "模块序号不能为空");        }        else {            if(moduleService.getFirst(module.getSerialNumber()) != null){                errors.rejectValue("serialNumber", null, "模块序列号已经存在");            }        }    }}