uniapp中renderjs使用与传值问题

<template>
  <view>
        <view  :msg="msg" :change:msg="renderScript.receiveMsg" class="renderjs" id="renderjs-view">
			{{msg}}
		</view>
        <button @click="renderScript.emitData">直接调用renderjs中的emitData的方法</button>
		<button @click="changeMsg" class="app-view">改变msg的值,直接调用renderjs中receiveMsg的值</button>
		<button @click="renderScript.renferMsg">通过renderjs改变msg的值,同时调用renderjs中的emitData的方法</button>
  </view>
</template>
 
<script>
  export default {
    data() {
      return {
        msg: '我是service层原来的msg',
      };
    },
    methods: {
      // 触发逻辑层出入renderjs数据改变
      changeMsg() {
        this.msg = "msg值改变了";
      },
      // 接收renderjs发回的数据
      receiveRenderData(val) {
        console.log('renderjs返回的值-->', val);
      },
	  //接收renderjs发回的数据,同时触发:change:msg,调用enderjs中的emitData的方法
	  serviceClick(e){
		  this.msg=e
	  }
    }
  };
</script>
 
<script module="renderScript" lang="renderjs">
    export default {
      data() {
        return {
          name: '我是renderjs数据'
        }
      },
      methods: {
		  renferMsg(event, ownerInstance) {
		  	// 调用 service层的serviceClick方法,传值
			console.log(event,ownerInstance)
		  	ownerInstance.callMethod('serviceClick', {
		  		test: '这是点击renderjs的区域，向service层传递变量'
		  	})
		  },
        // 接收逻辑层发送的数据
        receiveMsg(newValue, oldValue, ownerVm, vm) {
          console.log('msg变化了newValue', newValue)
          console.log('msg变化了oldValue', oldValue)
          console.log('msg变化了ownerVm', ownerVm)
          console.log('msg变化了vm', vm)
        },
        // 发送数据到逻辑层
        emitData(e, ownerVm) {
          ownerVm.callMethod('receiveRenderData', this.name)
        }
      }
    };
</script>

<template>
    <view class="map-wrap">
        <view id="map-box">
 
        </view>
        <view  @click="mapbox.emitData" style="position: absolute; bottom: 50px;left: 25%; z-index: 999;display: none;">
                            确认
        </view>
    </view>
</template>
 
//renderjs 模式
<script>
    export default {
        data() {
            return {
                msg: '',
            };
        },
        methods: {
            // 触发逻辑层出入renderjs数据改变
            // 接收renderjs发回的数据
            receiveRenderData(val) {
                console.log(val)
                this.$eventHub.$emit('dot', val);
                uni.navigateBack({
                    delta: 1
                })
            }
        }
    };
</script>
<script module="mapbox" lang="renderjs">
    export default {
        data: {
            return () {
                dot: 123
            }
        },
        methods: {
              //点击函数
            emitData(e, ownerVm) {
                ownerVm.callMethod('receiveRenderData', this.dot)
            }
        }
    }
</script>

        onLoad() {
            var t = this;
            this.$eventHub.$on('dot', data => {
                 console.log(data);
                //将数组转为字符串
                //t.dot = t.getString(data)
                //字符串转数组
                //console.log(eval(t.dot))
            });
        },