Detailed explanation of communication between Vue subcomponent and parent component

This time I will bring you a detailed explanation of the communication between the vue sub-component and the parent component. What are theprecautionsfor using the vue sub-component to communicate with the parent component. The following is a practical case, let's take a look.

1. Communication between the parent component and the child component,
1. Pass in theattributevalue
to the label of the inserted child component, as shown in the figure:

2. Use props to receive in the sub-component,
As shown in the figure:

##zhijeidiaoyo

Just call this.title directly;

2. The child component passes parameters to the parent component

Use this.$emit("parents",111) to listen to the parents
event, and directly bind the change method on the parent component, such as Figure:

3. Communication between subcomponents and subcomponents

1. First, create an event center in
main.js

2. The event triggered by subcomponent 2 is as follows

this.$root.event.$emit("NAME2","child2's data")

2017- 11-01_14512Detailed explanation of communication between Vue subcomponent and parent component

3. Subcomponent 1 receives the following

this.$root.event.$on("NAME2",function (d) {
huang.msg2 = d;
})

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to the php Chinese website

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