text不为空

src/pages/index/views/MiniChat/components/text.vue

<!-- 文本输入框 -->
<template>
  <div class="text">
    <textarea ref="text" v-model="content" @keyup="onKeyup"></textarea>
    <textarea ref="text" v-model="content" @keyup="keyEnter"></textarea>
    <div class="send" @click="send">
    	<span>发送(Enter)</span>
    </div>
  },
  watch: {
    ifFirstChat(val) {
      console.log(val)
      this.ifFirstChat = val
    }
  },
  methods: {
    onKeyup (e) {
    keyEnter(e) {
      if (e.keyCode === 13) {
        this.send()
      }
    },
    send () {
    send() {
      var that = this
      if (that.content.length === 0) {
      if (that.content.length <= 1) {
        that.warn = true
        that.content = ''
        setTimeout(() => {
          that.warn = false
        }, 1000)
      } else {
        var url = '/ajax/msg/fsend'
        console.log(that.ifFirstChat)
        if (that.ifFirstChat) {
          url = '/ajax/msg/send'
        }
        that.$axios.post(url, {
          pid: that.selectChatId,
          cnt: that.content
        }, function(res) {
          if (res.success && res.data) {
            var msg = {
              cnt: that.content,
              opTime: DateFormat('yyyyMMddhhmmss'),
              msgType: '1',
            }
            that.chatDetailLocal.push(msg)
            that.chatDetailLocal.sort(function(a, b) {
              return a.opTime > b.opTime ? 1 : (a.opTime === b.opTime ? 0 : -1)
            })
            that.$store.dispatch('chatDetailAction', that.chatDetailLocal)
            that.content = ''
          }
        })
        
        return
      }
      var url = '/ajax/msg/fsend'
      if (that.ifFirstChat) {
        url = '/ajax/msg/send'
      }
      that.$axios.post(url, {
        pid: that.selectChatId,
        cnt: that.content
      }, function(res) {
        if (res.success && res.data) {
          var msg = {
            cnt: that.content,
            opTime: DateFormat('yyyyMMddhhmmss'),
            msgType: '1',
          }
          that.chatDetailLocal.push(msg)
          that.chatDetailLocal.sort(function(a, b) {
            return a.opTime > b.opTime ? 1 : (a.opTime === b.opTime ? 0 : -1)
          })
          that.$store.dispatch('chatDetailAction', that.chatDetailLocal)
          that.content = ''
        }
      })
    }
  },
  mounted() {