How to close web_view in uniapp

In Uniapp, web_view is a component that can display web pages, but sometimes we need to close this component, for example, the user no longer needs to display the web page after completing an operation. So, how to close web_view in Uniapp?

1. Hide web_view by changing the v-show attribute of the component

A simple method is to control the display and hiding of the web_view component by changing the v-show attribute. We can define a variable in the Vue file to control the display and hiding of the web_view component, for example:

<template>
  <web-view :src="url" v-show="showView"></web-view>
</template>

<script>
export default {
  data() {
    return {
      url: "https://www.example.com",
      showView: true
    };
  },
  methods: {
    closeWebView() {
      this.showView = false;
    }
  }
};
</script>

We first set the v-show attribute of the web_view component to true, so that the web_view component will be displayed when the page is loaded. come out. When the user needs to close the web_view component, we change the value of the variable showView to false by calling the closeWebView method, so that the web_view component will be hidden.

2. Close web_view through the uni.hideWebView method

Uniapp provides a uni.hideWebView method, which can be used to close all web_view components in the current page. We can call this method in the method that needs to close the web_view component, for example:

<template>
  <web-view :src="url"></web-view>
  <button @click="closeWebView">关闭网页</button>
</template>

<script>
export default {
  data() {
    return {
      url: "https://www.example.com"
    };
  },
  methods: {
    closeWebView() {
      uni.hideWebView();
    }
  }
};
</script>

When the user clicks the close web page button, we call the uni.hideWebView method to close all web_view components in the current page.

Summary:

Both of the above two methods can be used to close the web_view component in Uniapp. Which method to use should be chosen according to your needs. For pages with only one web_view component, the first method is more convenient. For pages with multiple web_view components, or when all web_view components need to be closed, the second method is more suitable.

At the same time, we can also capture exceptions when web_view loads errors by listening to the loaderror event of the web_view component, thereby improving the user experience and the robustness of the application.

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