feat(frontend): 新增拖拽表格组件并优化数据表格相关功能

- 新增 CuteDragTable组件，支持行拖拽排序功能
- 重构 CuteTable 组件，改为 CuteSimpleTable，简化功能
- 更新 README.md，添加新组件说明
- 优化 OneKeyCopy 组件，改名为 CuteOneKeyCopy
- 删除示例页面 cuteTableDemo.vue

cutejava-front/src/views/components/base/ClipboardDemo.vue

@@ -1,61 +0,0 @@
-<template>
-  <div>
-    <el-divider>clipboard版</el-divider>
-    <span>{{ msg }}</span>
-    <div id="btn" @click="copy">复制</div>
-    <el-divider>OneKeyCopy组件版</el-divider>
-    <one-key-copy style="margin-left: 10pt" :content.sync="msg" />
-  </div>
-</template>
-<script>
-import Clipboard from 'clipboard'
-import { Message } from 'element-ui'
-import OneKeyCopy from '@/views/components/base/OneKeyCopy.vue'
-export default {
-  components: { OneKeyCopy },
-  data() {
-    return {
-      msg: '来复制我吧'
-    }
-  },
-  methods: {
-    // 复制方法
-    copy() {
-      const that = this
-      const clipboard = new Clipboard('#btn', {
-        text(trigger) {
-          console.log(trigger)
-          // 返回字符串
-          return that.msg
-        }
-      })
-      // 复制成功
-      clipboard.on('success', (e) => {
-        Message.success('复制成功')
-        console.log(e, '复制成功')
-        clipboard.destroy()
-      })
-      // //复制失败
-      clipboard.on('error', (e) => {
-        Message.error('复制失败')
-        console.log(e, '复制失败')
-        clipboard.destroy()
-      })
-    }
-  }
-}
-</script>
-<style scoped>
-#btn {
-  display: inline-block;
-  padding: 3px 12px;
-  border-radius: 6px;
-  background-color: #eee;
-  color: #333;
-  cursor: pointer;
-}
-#btn:active {
-  background-color: #ddd;
-  color: #666;
-}
-</style>

cutejava-front/src/views/components/base/OneKeyCopy.vue

@@ -1,44 +0,0 @@
-<!-- 一键复制组件 -->
-<!-- 使用方式： <one-key-copy style="margin-left: 10pt" :content.sync="data" /> -->
-<template>
-  <!--  <el-tooltip class="item" effect="dark" content="复制" placement="right-end">-->
-  <el-button
-    v-clipboard:copy="content"
-    v-clipboard:success="onCopy"
-    v-clipboard:error="onError"
-    size="mini"
-    icon="el-icon-document-copy"
-  />
-  <!--  </el-tooltip>-->
-</template>
-
-<script>
-export default {
-  props: {
-    content: {
-      type: String,
-      default: ''
-    }
-  },
-  methods: {
-    onCopy(row) {
-      const h = this.$createElement
-      this.$notify({
-        title: row.text + ' 复制成功',
-        message: h('i', { style: 'color: teal' }, '已复制到剪贴板,请直接去 Ctrl+V 粘贴吧!')
-      })
-    },
-    // 复制失败
-    onError(row) {
-      const h = this.$createElement
-      this.$notify({
-        title: row.text + ' 复制失败',
-        message: h('i', { style: 'color: teal' }, '联系技术吧！')
-      })
-    }
-  }
-}
-</script>
-
-<style scoped>
-</style>