vue获取url的值

http://192.168.50.45:8080/#/?para=123459

this.$route.query.para;

<!--  -->
<template>
  <div>
    {{code}}
  </div>
</template>
 
<script>
export default {
  data() {
    return {
      code: "xxxxxx",
    };
  }, 
  methods: { 
    parm() {
      var tem = this.$route.query.para;
      if (tem.length >0) {
        this.code = tem;
      }
    },    
  },
 
  mounted() {
    this.parm();
  },
};
</script>
<style>
</style>