面包屑组件如何利用vue进行封装

<template>
 <div id="bdy">
  <Head/>
 <div class="tbody"> 
<el-steps :active="active" finish-status="success">
 <el-step title="上传头像"></el-step>
 <el-step title="个人信息"></el-step>
 <el-step title="专业信息"></el-step>
 <el-step title="证书信息"></el-step>
</el-steps>
<!-- 个人信息 -->
 <el-form ref="form" :model="form" label-width="80px">
<div class="info" v-if="active==1">
 <el-form-item label="上传头像" prop="imageUrl">
   <el-upload
 class="avatar-uploader"
 action="https://jsonplaceholder.typicode.com/posts/"
 :show-file-list="false"
 :on-success="handleAvatarSuccess"
 :before-upload="beforeAvatarUpload" >
 <img v-if="form.imageUrl" :src="form.imageUrl" class="avatar">
 <i v-else class="el-icon-plus avatar-uploader-icon"></i>
</el-upload>
 </el-form-item>
</div>
<div class="info" v-if="active==2">
<el-form-item label="真实姓名" prop="username">
 <el-input v-model="form.username"></el-input>
 </el-form-item>
 <el-form-item label="手机号码" prop="tell">
 <el-input type="text" v-model="form.tell" autocomplete="off"></el-input>
 </el-form-item>
 <el-form-item label="身份证" prop="indentity">
 <el-input type="text" v-model="form.indentity" autocomplete="off"></el-input>
 </el-form-item>
</div>
<div class="info" v-if="active==3">
 
 <el-form-item label="专长领域:" prop="area">
  <br>
 <el-checkbox-group v-model="form.area" @change="handleCheckedCitiesChange" >
 <el-checkbox v-for="city in form.cities" :label="city" :key="city">{{city}}</el-checkbox>
 </el-checkbox-group>
 </el-form-item>
 <el-form-item label="从业资质:" prop="quality">
  <br>
 <el-radio-group v-model="form.quality">
 <el-radio :label="0">国家二级咨询师</el-radio>
 <el-radio :label="1">国家三级咨询师</el-radio>
 <el-radio :label="2">注册系统咨询师</el-radio>
  <el-radio :label="3">注册系统督导师</el-radio>
  <el-radio :label="4">其他</el-radio>
 </el-radio-group>
</el-form-item>
</div>
<div class="info" v-if="active==4">
<el-form-item label="证书编号" prop="number">
 <el-input type="text" v-model="form.number" autocomplete="off"></el-input>
 </el-form-item>
 <el-form-item label="从业年限" prop="time">
 <el-input type="text" v-model="form.time" autocomplete="off"></el-input>
 </el-form-item>
 <el-form-item label="个人简介" prop="instroduce">
 <el-input type="text" v-model="form.instroduce" autocomplete="off"></el-input>
 </el-form-item>
 <el-form-item>
 <el-button type="primary" @click="onSubmit">申请入驻</el-button>
 </el-form-item>
</div>
<el-button  @click="next" v-if="active<4">下一步</el-button> 
<el-button  @click="pre" v-if="active>1">上一步</el-button> 
</el-form> 
</div>
</div>
</template>
<style>
.tbody{
 width:80%;
 margin-left:10%;
 margin-top: 2%;
}
/* 表单 */
.avatar-uploader .el-upload {
 border: 1px dashed #d9d9d9;
 border-radius: 6px;
 cursor: pointer;
 position: relative;
 overflow: hidden;
 }
 .avatar-uploader .el-upload:hover {
 border-color: #409EFF;
 }
 .avatar-uploader-icon {
 font-size: 28px;
 color: #8c939d;
 width: 178px;
 height: 178px;
 line-height: 178px;
 text-align: center;
 }
 .avatar {
 width: 178px;
 height: 178px;
 display: block;
 }
</style>
<script>
//表单js代码
import Head from "../../components/common/Head";
import axios from "axios";
import Qs from "qs";
import router from "../../router/router.js";
 const cityOptions = ['婚姻家庭', '情绪管理', '恋爱心理', '个人成长','人际关系','心理健康','职场心理','亲子教育','性心理'];
 export default{
 components: {
 Head
 },
 data() {
  return {
   active: 1,
   form: {
   area: ['个人成长'],
   checkAll: false,
   cities: cityOptions,
   isIndeterminate: true,
   quality: 0,
   imageUrl: '',
   username : '',
   tell: '',
   indentity: '',
   number:'',
   instroduce:'',
   time:''
  }
  }
 },
 methods: {
  onSubmit() {
   //this.form.checkedCities获取多选框的内容 zxs[this.form.radio] this.form.imageUrl
  //开始提交 在这里进行跨域请求 
   this.axios({
   method: "post",
   url: "/api/PsychoSys/tuser.action",
   data: Qs.stringify(this.form)
   })
   .then(res => {
    this.$router.push("/tinfo");
   })
   .catch(function(err) {
    console.log(err);
   });
   /*在这里进行跨域请求*/
  //开始提交
  },
  handleAvatarSuccess(res, file) {
  this.form.imageUrl = URL.createObjectURL(file.raw);
  },
 beforeAvatarUpload(file) {
  const isJPG = file.type === 'image/jpeg';
  const isLt2M = file.size / 1024 / 1024 < 2;
  if (!isJPG) {
   this.$message.error('上传头像图片只能是 JPG 格式!');
  }
  if (!isLt2M) {
   this.$message.error('上传头像图片大小不能超过 2MB!');
  }
  return isJPG && isLt2M;
  },
  handleCheckAllChange(val) {
  this.form.area = val &#63; cityOptions : [];
  this.isIndeterminate = false;
  },
  handleCheckedCitiesChange(value) {
  let checkedCount = value.length;
  this.checkAll = checkedCount === this.form.cities.length;
  this.isIndeterminate = checkedCount > 0 && checkedCount < this.form.cities.length;
  }, next() {
  if (this.active++ > 3) this.active = 1;
  },
  pre() {
  if (this.active-- < 2) this.active = 1;
  }
 }
 } 
//表单js代码
</script>

package cn.com.service;
import java.io.IOException;
import java.util.List; 
import javax.servlet.http.HttpServletResponse; 
import org.apache.struts2.ServletActionContext;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;
 
import cn.com.bean.Teacher;
 
import com.opensymphony.xwork2.ModelDriven;
@Repository(value="teacherUser")
@Scope("prototype")
public class TeacherUser implements ModelDriven<Teacher>{
 @Autowired
 private SessionFactory sf;
 @Autowired
 private Teacher tea;
 private List<String> area;
 public List<String> getArea() {
 return area;
 }
 public void setArea(List<String> area) {
 this.area = area;
 }
 @Transactional
 public String regedit_user(){
   //普通用户注册 ,用户名不能重复
 Session session=sf.getCurrentSession();
 //查询是否重复
 String sql="from Teacher where username=&#63;";
 Query query=session.createQuery(sql);
 query.setString(0, tea.getUsername());
 Teacher t=(Teacher)query.uniqueResult();
 String toast="";
 String [] zxs ={"国家二级咨询师","国家三级咨询师","注册系统咨询师","注册系统督导师","其他"};
 String q="";
 if(t!=null){
 toast="fail"; 
 }else{
 //处理数据
 Integer o=Integer.parseInt(tea.getQuality());
 tea.setQuality(zxs[o]);
 tea.setAreas(area.toString());
 toast="success";
 session.save(tea); 
 }
 HttpServletResponse response = ServletActionContext.getResponse();
 response.setCharacterEncoding("utf-8");
 try {
 response.getWriter().write(toast);
 } catch (IOException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 }
 return null; 
 }
 
 public Teacher getModel() {
 return tea;
 }
}