aabbcc/src/views/labelPage.vue

<template>
  <div>
    <header>
      <navigationBar />
    </header>
    <main class="main-content">
      <section class="box w">
        <header class="box-hd">
          <h3>课程笔记</h3>
        </header>
        <div class="box-bd">
          <ul class="clearfix">
            <!-- 在 v-for 循环中，为每个项目添加一个删除按钮/图标 -->
            <li v-for="(item, index) in items" :key="index">
              <router-link :to="`/paiListPage/${index + 1}`">
                <!-- 这里的index + 1对应着表的序号 -->
                <img :src="item.url" :alt="item.title" />
                <h4>{{ item.title }}</h4>
              </router-link>
              <!-- 删除按钮/图标 -->
              <button class="delete-btn" @click="deleteItem(index)">删除</button>
            </li>
          </ul>
        </div>
      </section>
    </main>

    <div class="add">
      <button @click="openDialog">添加笔记</button>
    </div>

    <!-- 添加笔记弹窗 -->
    <el-dialog title="提示" :visible.sync="dialogVisible" width="30%">
      <el-form ref="form" :model="form" label-width="80px" :rules="rules">
        <el-form-item label="笔记标题" prop="addContent">
          <el-input v-model="form.addContent" placeholder="请输入标题"></el-input>
        </el-form-item>
        <el-form-item label="表名" prop="tableName">
          <el-input v-model="form.tableName" placeholder="请输入表名(英文)"></el-input>
        </el-form-item>
      </el-form>

      <span slot="footer" class="dialog-footer">
        <el-button @click="handleCancel">取消</el-button>
        <el-button type="primary" @click="handleAdd">确定</el-button>
      </span>
    </el-dialog>

    <musIc />
  </div>
</template>

<script>
import { getTags, addTag, deleteTag } from '@/api/tags'
export default {
  data () {
    return {
      items: [],
      dialogVisible: false,
      form: {
        addContent: '',
        tableName: ''
      },
      rules: {
        addContent: [
          { required: true, message: '请输入标题', trigger: 'blur' }
        ],
        tableName: [{ required: true, message: '请输入表名', trigger: 'blur' }]
      }
    }
  },
  created () {
    this.fetchTags()
  },
  methods: {
    fetchTags () {
      getTags().then((res) => {
        this.items = res.data
      })
    },
    openDialog () {
      this.dialogVisible = true
    },
    // 取消按钮
    handleCancel () {
      this.dialogVisible = false
      this.form.addContent = ''
      this.form.tableName = ''
      this.$refs.form.resetFields()
    },
    /** 添加标签 */
    handleAdd () {
      this.$refs.form.validate((valid) => {
        if (valid) {
          const newTag = {
            title: this.form.addContent,
            table_name: this.form.tableName
          }
          console.log('Sending data:', newTag)
          addTag(newTag)
            .then(() => {
              this.fetchTags()
              this.dialogVisible = false
              this.form.addContent = ''
              this.form.tableName = ''
              this.$message({
                message: '添加成功',
                type: 'success'
              })
              this.handleCancel()
            })
            .catch((error) => {
              console.error('添加标签失败：', error)
              this.$message({
                message: '添加标签失败',
                type: 'error'
              })
            })
        }
      })
    },
    /** 删除标签 */
    deleteItem (index) {
      if (confirm('确定要删除此项目吗？')) {
        // 执行删除操作
        deleteTag(this.items[index].id)
          .then(() => {
            // 从列表中删除该项目
            this.items.splice(index, 1)

            this.$message({
              message: '项目删除成功',
              type: 'success'
            })
          })
          .catch((error) => {
            console.error('删除项目时出错：', error)
            // 可选，显示错误消息
            this.$message({
              message: '删除项目时出错',
              type: 'error'
            })
          })
      }
    }
  }
}
</script>

<style lang="less" scoped>
.w {
  width: 1200px;
  margin: auto;
}

li {
  list-style: none;
  position: relative;
}
a {
  text-decoration: none;
}
.clearfix:before,
.clearfix:after {
  content: "";
  display: table;
}
.clearfix:after {
  clear: both;
}
.clearfix img {
  width: 100%;
  height: 220px;
  display: block;
}
.box {
  margin-top: 80px;
  border-bottom: 1px solid #d3d3d3;
}
.box-hd {
  height: 45px;
}
.box-hd h3 {
  float: left;
  font-size: 20px;
  color: #494949;
}
.box-bd ul {
  width: 1225px;
}
.box-bd ul li {
  position: relative;
  top: 0;
  float: left;
  width: 228px;
  height: 270px;
  background-color: #fff;
  margin-right: 15px;
  margin-bottom: 15px;
  transition: all 0.3s;
}
.box-bd ul li a {
  display: block;
}
.box-bd ul li:hover {
  top: -8px;
  box-shadow: 0 15px 30px rgb(0 0 0 / 10%);
}
.box-bd ul li img {
  width: 100%;
}
.box-bd ul li h4 {
  margin: 20px 20px 20px 25px;
  font-size: 16px;
  color: #050505;
  font-weight: 500;
  text-align: center;
  opacity: 0;
  transition: all 0.3s;
}

.box-bd ul li:hover h4 {
  color: #006cff;
  opacity: 1;
}

.box-bd ul li .delete-btn {
  position: absolute;
  top: 0;
  right: 0;
  background-color: rgba(255, 106, 106, 0.2);
  color: rgba(248, 146, 51, 0.897);
  border: none;
  width: 50px;
  height: 30px;
  cursor: pointer;
  font-size: 16px;
  // 阴影
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  opacity: 0;
}

.box-bd ul li:hover .delete-btn {
  opacity:1;
}

.add {
  position: fixed;
  bottom: 110px;
  right: 20px;

  button {
    background-color: #006cff;
    color: #fff;
    border: none;
    width: 100px;
    height: 40px;
    border-radius: 30px;
    font-size: 16px;
    cursor: pointer;
  }
}
</style>