<template>
  <view>
    <button @click="addInterceptor">添加路由拦截器</button>
    <button @click="removeInterceptor">移除路由拦截器</button>
    <text>点击下方按钮{{msg}}</text>
    <button @click="navigateTo">跳转到测试页面</button>
  </view>
</template>

<script>
  const interceptor = {
    invoke: function (options : NavigateToOptions) {
      console.log('拦截 navigateTo 接口传入参数为：', options)
      const url = './page2'
      uni.showToast({
        title: `重定向到页面:${url}`
      })
      options.url = url
    },
    success: function (res : NavigateBackSuccess) {
      console.log('拦截 navigateTo 接口 success 返回参数为：', res)
    },
    fail: function (err : NavigateToFail) {
      console.log('拦截 navigateTo 接口 fail 返回参数为：', err)
    },
    complete: function (res : NavigateToComplete) {
      console.log('拦截 navigateTo 接口 complete 返回参数为：', res)
    }
  } as Interceptor
  export default {
    data() {
      return {
        msg: "会跳转到测试页面1"
      }
    },
    beforeUnmount() {
      // 移除 navigateTo 所有拦截器
      uni.removeInterceptor('navigateTo')
    },
    methods: {
      addInterceptor() {
        uni.addInterceptor('navigateTo', interceptor)
        uni.showToast({
          title: '页面跳转已拦截'
        })
        this.msg = "，路由被劫持到测试页面2"
      },
      removeInterceptor() {
        uni.removeInterceptor('navigateTo', interceptor)
        uni.showToast({
          title: '拦截器已移除'
        })
        this.msg = "会跳转到测试页面1"
      },
      navigateTo() {
        uni.navigateTo({
          url: './page1',
          success(res) {
            console.log('res:', res)
          },
          fail(err) {
            console.error('err:', err)
          },
          complete(res) {
            console.log('res:', res)
          }
        })
      }
    }
  }
</script>

<style>

</style>
