So implementieren Sie mit PHP und Vue die Verlustmeldefunktion der Lagerverwaltung

CREATE TABLE damage (
  id INT(11) AUTO_INCREMENT PRIMARY KEY,
  product_id INT(11) NOT NULL,
  quantity INT(11) NOT NULL,
  date DATE NOT NULL,
  reason TEXT
);

<?php
  header('Content-Type: application/json');

  // 连接到数据库
  $conn = new mysqli('localhost', 'username', 'password', 'database');

  // 查询所有报损记录
  $result = $conn->query("SELECT * FROM damage");

  // 将结果转换为JSON格式并返回
  echo json_encode($result->fetch_all(MYSQLI_ASSOC));

  // 关闭数据库连接
  $conn->close();
?>

<?php
  header('Content-Type: application/json');

  // 获取POST请求的参数
  $product_id = $_POST['product_id'];
  $quantity = $_POST['quantity'];
  $date = $_POST['date'];
  $reason = $_POST['reason'];

  // 连接到数据库
  $conn = new mysqli('localhost', 'username', 'password', 'database');

  // 插入报损记录
  $conn->query("INSERT INTO damage (product_id, quantity, date, reason) VALUES ('$product_id', '$quantity', '$date', '$reason')");

  // 返回成功的响应
  echo json_encode(['status' => 'success']);

  // 关闭数据库连接
  $conn->close();
?>

<?php
  header('Content-Type: application/json');

  // 获取POST请求的参数
  $id = $_POST['id'];
  $quantity = $_POST['quantity'];
  $reason = $_POST['reason'];

  // 连接到数据库
  $conn = new mysqli('localhost', 'username', 'password', 'database');

  // 更新报损记录
  $conn->query("UPDATE damage SET quantity='$quantity', reason='$reason' WHERE id='$id'");

  // 返回成功的响应
  echo json_encode(['status' => 'success']);

  // 关闭数据库连接
  $conn->close();
?>

<?php
  header('Content-Type: application/json');

  // 获取POST请求的参数
  $id = $_POST['id'];

  // 连接到数据库
  $conn = new mysqli('localhost', 'username', 'password', 'database');

  // 删除报损记录
  $conn->query("DELETE FROM damage WHERE id='$id'");

  // 返回成功的响应
  echo json_encode(['status' => 'success']);

  // 关闭数据库连接
  $conn->close();
?>

<template>
  <div>
    <table>
      <thead>
        <tr>
          <th>ID</th>
          <th>商品ID</th>
          <th>报损数量</th>
          <th>报损日期</th>
          <th>报损原因</th>
          <th>操作</th>
        </tr>
      </thead>
      <tbody>
        <tr v-for="record in records" :key="record.id">
          <td>{{ record.id }}</td>
          <td>{{ record.product_id }}</td>
          <td>{{ record.quantity }}</td>
          <td>{{ record.date }}</td>
          <td>{{ record.reason }}</td>
          <td>
            <button @click="edit(record)">编辑</button>
            <button @click="delete(record.id)">删除</button>
          </td>
        </tr>
      </tbody>
    </table>

    <form v-if="mode === 'add' || mode === 'edit'" @submit.prevent="submit">
      <div>
        <label>商品ID</label>
        <input type="text" v-model="product_id" required>
      </div>
      <div>
        <label>报损数量</label>
        <input type="number" v-model="quantity" required>
      </div>
      <div>
        <label>报损日期</label>
        <input type="date" v-model="date" required>
      </div>
      <div>
        <label>报损原因</label>
        <textarea v-model="reason" required></textarea>
      </div>
      <button type="submit">{{ mode === 'edit' ? '保存' : '添加' }}</button>
    </form>
  </div>
</template>

<script>
export default {
  data() {
    return {
      records: [],
      mode: "view",
      product_id: "",
      quantity: "",
      date: "",
      reason: "",
      selectedRecord: null,
    };
  },
  created() {
    this.fetchRecords();
  },
  methods: {
    fetchRecords() {
      // 发起请求获取所有的报损记录
      // ...

      // 将结果存储到records中
      // this.records = ...
    },
    add() {
      // 切换到添加模式
      this.mode = "add";
    },
    edit(record) {
      // 切换到编辑模式，并将选中的记录赋值给selectedRecord
      this.mode = "edit";
      this.selectedRecord = record;
      this.product_id = record.product_id;
      this.quantity = record.quantity;
      this.date = record.date;
      this.reason = record.reason;
    },
    delete(id) {
      // 发起请求删除指定ID的报损记录
      // ...
    },
    submit() {
      if (this.mode === "add") {
        // 发起请求添加报损记录
        // ...
      } else if (this.mode === "edit") {
        // 发起请求更新指定ID的报损记录
        // ...
      }

      // 切换回查看模式，并重置表单数据
      this.mode = "view";
      this.selectedRecord = null;
      this.product_id = "";
      this.quantity = "";
      this.date = "";
      this.reason = "";
    },
  },
};
</script>