feat: 添加404页面

admin_2/src/pages/404/404.vue

 <template>
-  <div></div>
+  <div class="wscn-http404-container">
+    <div class="wscn-http404">
+      <div class="pic-404">
+        <img class="pic-404__parent" src="./img/404.png" alt="404" />
+        <img class="pic-404__child left" src="./img/404_cloud.png" alt="404" />
+        <img class="pic-404__child mid" src="./img/404_cloud.png" alt="404" />
+        <img class="pic-404__child right" src="./img/404_cloud.png" alt="404" />
+      </div>
+      <div class="bullshit">
+        <div class="bullshit__oops">哎哟!</div>
+        <div class="bullshit__info">
+          您访问的页面不存在。
+          <!-- <a
+            style="color: #20a0ff"
+            href="xx"
+            target="_blank"
+            >wallstreetcn</a
+          > -->
+        </div>
+        <!-- <div class="bullshit__headline">{{ message }}</div> -->
+        <div class="bullshit__info">
+          请检查您输入的网址是否正确，或点击下面的按钮返回。
+        </div>
+        <a class="bullshit__return-home" @click="handleGoHome">返回</a>
+      </div>
+    </div>
+  </div>
 </template>
 
 <script>
-export default {};
+export default {
+  name: "Page404",
+  data() {
+    return {};
+  },
+  methods: {
+    handleGoHome() {
+      this.$router.back();
+    },
+  },
+};
 </script>
 
-<style lang="less" scoped></style>
+<style lang="less" scoped>
+.wscn-http404-container {
+  transform: translate(-50%, -50%);
+  position: absolute;
+  top: 40%;
+  left: 50%;
+}
+.wscn-http404 {
+  position: relative;
+  width: 1200px;
+  padding: 0 50px;
+  overflow: hidden;
+  .pic-404 {
+    position: relative;
+    float: left;
+    width: 600px;
+    overflow: hidden;
+    &__parent {
+      width: 100%;
+    }
+    &__child {
+      position: absolute;
+      &.left {
+        width: 80px;
+        top: 17px;
+        left: 220px;
+        opacity: 0;
+        animation-name: cloudLeft;
+        animation-duration: 2s;
+        animation-timing-function: linear;
+        animation-fill-mode: forwards;
+        animation-delay: 1s;
+      }
+      &.mid {
+        width: 46px;
+        top: 10px;
+        left: 420px;
+        opacity: 0;
+        animation-name: cloudMid;
+        animation-duration: 2s;
+        animation-timing-function: linear;
+        animation-fill-mode: forwards;
+        animation-delay: 1.2s;
+      }
+      &.right {
+        width: 62px;
+        top: 100px;
+        left: 500px;
+        opacity: 0;
+        animation-name: cloudRight;
+        animation-duration: 2s;
+        animation-timing-function: linear;
+        animation-fill-mode: forwards;
+        animation-delay: 1s;
+      }
+      @keyframes cloudLeft {
+        0% {
+          top: 17px;
+          left: 220px;
+          opacity: 0;
+        }
+        20% {
+          top: 33px;
+          left: 188px;
+          opacity: 1;
+        }
+        80% {
+          top: 81px;
+          left: 92px;
+          opacity: 1;
+        }
+        100% {
+          top: 97px;
+          left: 60px;
+          opacity: 0;
+        }
+      }
+      @keyframes cloudMid {
+        0% {
+          top: 10px;
+          left: 420px;
+          opacity: 0;
+        }
+        20% {
+          top: 40px;
+          left: 360px;
+          opacity: 1;
+        }
+        70% {
+          top: 130px;
+          left: 180px;
+          opacity: 1;
+        }
+        100% {
+          top: 160px;
+          left: 120px;
+          opacity: 0;
+        }
+      }
+      @keyframes cloudRight {
+        0% {
+          top: 100px;
+          left: 500px;
+          opacity: 0;
+        }
+        20% {
+          top: 120px;
+          left: 460px;
+          opacity: 1;
+        }
+        80% {
+          top: 180px;
+          left: 340px;
+          opacity: 1;
+        }
+        100% {
+          top: 200px;
+          left: 300px;
+          opacity: 0;
+        }
+      }
+    }
+  }
+  .bullshit {
+    position: relative;
+    float: left;
+    width: 300px;
+    padding: 30px 0;
+    overflow: hidden;
+    &__oops {
+      font-size: 32px;
+      font-weight: bold;
+      line-height: 40px;
+      color: #1482f0;
+      opacity: 0;
+      margin-bottom: 20px;
+      animation-name: slideUp;
+      animation-duration: 0.5s;
+      animation-fill-mode: forwards;
+    }
+    &__headline {
+      font-size: 20px;
+      line-height: 24px;
+      color: #222;
+      font-weight: bold;
+      opacity: 0;
+      margin-bottom: 10px;
+      animation-name: slideUp;
+      animation-duration: 0.5s;
+      animation-delay: 0.1s;
+      animation-fill-mode: forwards;
+    }
+    &__info {
+      font-size: 13px;
+      line-height: 21px;
+      color: grey;
+      opacity: 0;
+      margin-bottom: 30px;
+      animation-name: slideUp;
+      animation-duration: 0.5s;
+      animation-delay: 0.2s;
+      animation-fill-mode: forwards;
+    }
+    &__return-home {
+      display: block;
+      float: left;
+      width: 110px;
+      height: 36px;
+      background: #1482f0;
+      border-radius: 100px;
+      text-align: center;
+      color: #ffffff;
+      opacity: 0;
+      font-size: 14px;
+      line-height: 36px;
+      cursor: pointer;
+      animation-name: slideUp;
+      animation-duration: 0.5s;
+      animation-delay: 0.3s;
+      animation-fill-mode: forwards;
+    }
+    @keyframes slideUp {
+      0% {
+        transform: translateY(60px);
+        opacity: 0;
+      }
+      100% {
+        transform: translateY(0);
+        opacity: 1;
+      }
+    }
+  }
+}
+</style>

admin_2/src/router/index.js

@@ -238,6 +238,11 @@ const routes = [
     hidden: true,
     component: () => import("@/pages/login/Login"),
   },
+  {
+    path: "*",
+    component: () => import("@/pages/404/404.vue"),
+    hidden: true,
+  },
 ];
 
 const router = new VueRouter({