Vue page jump does not save value

1. Problem description

In Vue.js, when using $route.params to obtain jump parameters, the page cannot obtain parameter values ​​after the jump, and parameters are lost.

2. Problem Analysis

1. It may be due to a problem with the routing configuration that the jump parameters are not recognized.

2. It may be that the code of the jump page does not handle the jump parameters correctly, resulting in the parameter value not being rendered.

3. Problem Solving

1. Check the routing configuration to ensure that the parameters are correctly defined.

2. In the created or mounted life cycle hook of the jump page, use $route.params to obtain the parameters, assign the parameter value to the variable, and use the variable in the template to render the page.

4. Sample code

1. Routing configuration:

{
  path: '/product/:id',
  name: 'product',
  component: Product
}

2. Product component code:

<template>
  <div>
    <h2>{{ product.name }}</h2>
    <p>{{ product.description }}</p>
  </div>
</template>

<script>
export default {
  data() {
    return {
      product: {},
    };
  },
  created() {
    this.getProduct(this.$route.params.id);
  },
  methods: {
    getProduct(id) {
      // 发送请求获取产品信息
      axios.get(`/api/products/${id}`).then((response) => {
        this.product = response.data;
      });
    },
  },
};
</script>

After this configuration, access /product/123 You can get the product information with ID 123 and render it on the page.

To sum up, the problem of missing parameters in Vue.js page jump may be caused by problems with routing configuration or page code. You need to check the routing configuration and page code to ensure that the parameters can be obtained correctly and Render the page.

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