新建BusinessException 类

package com.mszl.candidate.exception;

public class BusinessException extends RuntimeException{

private static final long serialVersionUID = 1L;

// 自定义错误码
private Integer code;

// 自定义构造器，只保留一个，让其必须输入错误码及内容
public BusinessException(int code, String msg) {
super(msg);
this.code = code;
}

public Integer getCode() {
return code;
}

public void setCode(Integer code) {
this.code = code;
}
// 自定义错误码
private Integer code;

// 自定义构造器，只保留一个，让其必须输入错误码及内容
public BusinessException(int code, String msg) {
super(msg);
this.code = code;
}

public Integer getCode() {
return code;
}

public void setCode(Integer code) {
this.code = code;
}// 自定义错误码
private Integer code;

// 自定义构造器，只保留一个，让其必须输入错误码及内容
public BusinessException(int code, String msg) {
super(msg);
this.code = code;
}

public Integer getCode() {
return code;
}

public void setCode(Integer code) {
this.code = code;
}// 自定义错误码
private Integer code;

// 自定义构造器，只保留一个，让其必须输入错误码及内容
public BusinessException(int code, String msg) {
super(msg);
this.code = code;
}

public Integer getCode() {
return code;
}

public void setCode(Integer code) {
this.code = code;
}// 自定义错误码
private Integer code;

// 自定义构造器，只保留一个，让其必须输入错误码及内容
public BusinessException(int code, String msg) {
super(msg);
this.code = code;
}

public Integer getCode() {
return code;
}

public void setCode(Integer code) {
this.code = code;
}


}