导航守卫

This commit is contained in:
httpxuchao 2022-03-08 19:14:23 +08:00
parent f73b15899b
commit a5974e711c
8 changed files with 382 additions and 29 deletions

163
package-lock.json generated
View File

@ -9,7 +9,9 @@
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@ -3140,6 +3150,11 @@
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@ -3207,6 +3222,27 @@
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@ -9273,6 +9324,11 @@
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@ -12953,6 +13014,14 @@
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@ -17290,6 +17377,11 @@
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@ -22386,6 +22511,11 @@
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@ -25484,6 +25619,11 @@
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@ -26164,6 +26304,11 @@
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View File

@ -9,7 +9,9 @@
},
"dependencies": {
"core-js": "^3.6.5",
"vue": "^2.6.11"
"element-ui": "^2.15.6",
"vue": "^2.6.11",
"vue-router": "^3.5.3"
},
"devDependencies": {
"@vue/cli-plugin-babel": "~4.5.15",

View File

@ -1,28 +1,11 @@
<template>
<div id="app">
<img alt="Vue logo" src="./assets/logo.png">
<HelloWorld msg="Welcome to Your Vue.js App"/>
</div>
<router-view></router-view>
</template>
<script>
import HelloWorld from './components/HelloWorld.vue'
export default {
name: 'App',
components: {
HelloWorld
}
}
</script>
<style>
#app {
font-family: Avenir, Helvetica, Arial, sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
text-align: center;
color: #2c3e50;
margin-top: 60px;
}
</style>

View File

@ -1,8 +1,63 @@
import Vue from 'vue'
import App from './App.vue'
import Router from "vue-router"
import ElementUI from 'element-ui';
import 'element-ui/lib/theme-chalk/index.css';
const routes = [
{
path:"/",
component: ()=>import("./pages/nav.vue"),
// 以上两行 代表着项目的根路径就代表着默认打开nav 页面
//children:[{}] 可以用来写nav页面的子页面里面写上各自的路径地址
children: [{
path:"user",
component: ()=>import("./pages/user.vue")
},
{
path:"index",
component: ()=>import("./pages/index.vue")
},
{
path:"login",
component: ()=>import("./pages/login.vue")
}
// 上面这种路径的写法是绝对路径 前面对应的是@click="$router.push('/index')和@click="$router.push('/user')
// 但是一般都是用相对路径
]
}]
// vue 的插件
Vue.use(ElementUI);
// vuerouter 插件vue
Vue.use(Router)
const router = new Router({
routes // 缩写相当于routes: routes
})
// 自动被执行 页面跳转的时候
router.beforeEach((to, from, next) => {
console.log(to); //到哪里去
console.log(from); //从哪里来
console.log("这是导航守卫");
if(to.path != "/nav") {
console.log("执行next")
next() // 控制页面跳转
}else {
//alert("抱歉,您没有此权限!")
// 跳转页面
router.push("/index")
}
})
Vue.config.productionTip = false
new Vue({
render: h => h(App),
router
}).$mount('#app')

40
src/pages/index.vue Normal file
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@ -0,0 +1,40 @@
<template>
<div>
这是index <br> <button @click="next">去下一页</button> <br />
用户名<input v-model="user1" type="text" name="user1" /><br />
账号<input v-model="user2" type="text" name="user2" /><br />
密码 <input v-model="user3" type="password" name="user3" />
</div>
</template>
<script>
export default {
name: "PageIndex",
data() {
return {
user1: "",
user2: "",
user3: "",
}
},
methods: {
next() {
this.$router.push({
path: "user",
query: {
//
canshu1: this.user1,
canshu2: this.user2,
canshu3: this.user3,
//
// canshu4: 123
},
});
}
}
}
</script>
<style scoped>
</style>

15
src/pages/login.vue Normal file
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@ -0,0 +1,15 @@
<template>
<div>
这是login
</div>
</template>
<script>
export default {
name:"PageLogin"
}
</script>
<style scoped>
</style>

82
src/pages/nav.vue Normal file
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@ -0,0 +1,82 @@
<template>
<div id="nav">
<div style="width: 200px">
<el-menu
default-active="2"
class="el-menu-vertical-demo"
@open="handleOpen"
@close="handleClose"
background-color="#545c64"
text-color="#fff"
active-text-color="#ffd04b"
style="height: 100vh"
>
<el-submenu index="1">
<template slot="title">
<i class="el-icon-location"></i>
<span>导航一</span>
</template>
<el-menu-item-group>
<template slot="title">分组一</template>
<el-menu-item index="1-1" @click="$router.push('/index')">index</el-menu-item>
<el-menu-item index="1-2" @click="$router.push('/user')">user</el-menu-item>
<el-menu-item index="1-3" @click="$router.push('/login')">login</el-menu-item>
<el-menu-item index="1-4" @click="$router.push('/nav')">nav</el-menu-item>
</el-menu-item-group>
<el-menu-item-group title="分组2">
<el-menu-item index="1-5">选项5</el-menu-item>
</el-menu-item-group>
<el-submenu index="1-6">
<template slot="title">选项6</template>
<el-menu-item index="1-6-1">选项1</el-menu-item>
</el-submenu>
</el-submenu>
<el-menu-item index="2" >
<i class="el-icon-menu"></i>
<span slot="title">导航二</span>
</el-menu-item>
<el-menu-item index="3" disabled>
<i class="el-icon-document"></i>
<span slot="title">导航三</span>
</el-menu-item>
<el-menu-item index="4" >
<i class="el-icon-setting"></i>
<span slot="title">导航四</span>
</el-menu-item>
</el-menu>
</div>
<div class="right">
<router-view></router-view>
</div>
</div>
</template>
<script>
export default {
name: "PageNav",
methods: {
handleOpen(key, keyPath) {
console.log(key, keyPath);
},
handleClose(key, keyPath) {
console.log(key, keyPath);
},
er() {
}
},
};
</script>
<style scoped>
#nav {
display: flex;
}
.right {
width: 100%;
background: gainsboro;
}
</style>

31
src/pages/user.vue Normal file
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<template>
<div>
这是user <br>
<button @click="back">返回上一页</button>
<button @click="getquery">获取传参</button>
</div>
</template>
<script>
export default {
name:"PageUser",
methods: {
back() {
this.$router.go(-1)
},
getquery() {
//
console.log("用户名:" + this.$route.query.canshu1);
console.log("账号:" + this.$route.query.canshu2);
console.log("密码:" + this.$route.query.canshu3);
}
}
}
</script>
<style scoped>
</style>