@click="getCode">

后端代码:

获取验证码,将结果放到session里

package com.liruilong.hros.controller;

import com.liruilong.hros.model.RespBean;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.RestController;

import com.wf.captcha.ArithmeticCaptcha;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.util.HashMap;

import java.util.Map;

/**

* @Description :

* @Author: Liruilong

* @Date: 2019/12/19 19:58

*/

@RestController

public class LoginController {

@GetMapping(value = "/auth/code")

public Map getCode(HttpServletRequest request,HttpServletResponse response){

// 算术类型 https://gitee.com/whvse/EasyCaptcha

ArithmeticCaptcha captcha = new ArithmeticCaptcha(111, 36);

// 几位数运算，默认是两位

captcha.setLen(2);

// 获取运算的结果

String result = captcha.text();

System.err.println("生成的验证码："+result);

// 保存

// 验证码信息

Map imgResult = new HashMap(2){{