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// pages/addStudent/addStudent.js
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Page({
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data: {
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className:"K班",
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input: "",
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students:[
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]
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},
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onLoad: function(options) {
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console.log(options);
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// options 参数包含了从上一个页面传递过来的数据
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const receivedClassName = options.className; // 获取传递过来的 className,默认为空字符串
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// 更新页面的数据
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this.setData({
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className: receivedClassName // 将接收到的 className 赋值给页面的 data 属性
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});
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console.log(this.data.className);
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},
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//获取输入框内容
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onInput: function(e) {
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console.log(e.detail.value)
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this.setData({
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input: e.detail.value//保存输入
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});
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},
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// Excel文件导入
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importExcel: function() {
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const that = this;
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wx.chooseMessageFile({
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count: 1, // 默认为1,设置选择文件的数量
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type: 'file',
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extension: ['xlsx'], // 指定文件的后缀名
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success(res) {
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const tempFiles = res.tempFiles; // 临时文件路径
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const filePath = tempFiles[0].path; // 获取文件的路径
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console.log(tempFiles);
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that.readExcel(filePath); // 读取文件内容
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},
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fail(err) {
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console.error('选择文件失败:', err);
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}
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});
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},
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// 读取Excel文件内容
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readExcel(filePath) {
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// 可以使用微信小程序的API或将文件上传到服务器解析
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const that = this;
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wx.uploadFile({
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url: 'http://192.168.152.1:8090/excel/import', // 你的服务器上传地址
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filePath: filePath,
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name: 'file',
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success: uploadRes => {
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// 假设服务器返回解析后的 JSON 数据
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const data = JSON.parse(uploadRes.data);
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that.addStudents(data.students);
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},
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fail: uploadErr => {
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console.error('文件上传失败:', uploadErr);
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}
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});
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},
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// 将解析后的学生数据添加到现有数组中
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addStudents(newStudents) {
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const currentStudents = this.data.students;
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const allStudents = currentStudents.concat(newStudents); // 合并数组
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this.setData({
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students: allStudents
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});
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},
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//点击输入框提示可以输入
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focus: function(){
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wx.showToast({
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title: '可以开始输入了',
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icon: 'none',
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duration: 2000
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});
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},
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cantNull: function(){
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wx.showToast({
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title: '输入框不可为空',
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icon: 'none',
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duration: 2000
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});
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},
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addProcess: function(){
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if(this.data.input != ""){
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//分割字符串为数组
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let firstArray = this.data.input.split("|");
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console.log(firstArray);
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let secondArray = firstArray.map(str => str.split(" "));
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console.log(secondArray)
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//遍历secondArray
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secondArray.forEach(subArray => {
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// 结构法从子数组中提取id和name
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//等同于 const id = subArray[0]; const name = subArray[1];
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const { [0]: id, [1]: name } = subArray;
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// 创建一个新的对象来存储这些信息
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const newStu = {
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id: id,
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name: name,
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point: 10,
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clazz: this.data.className,
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};
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const isDuplicate = this.data.students.some(stu => stu.id === id);
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if(!isDuplicate){
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// 将新对象发送到后端服务器
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const classstu = newStu;
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//classstu.className = this.data.className;//此时 classstu = {id:"102201",name:"Jhon", className:`${this.data.className}` }
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wx.request({
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url: 'http://192.168.152.1:8090/student/set',
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method: 'POST', // 请求方法,通常是POST用于发送数据
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header: {
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'Content-Type': 'application/json' // 设置请求头,指定数据格式为JSON
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},
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data: newStu, // 要发送的数据,这里直接传入对象,wx.request会自动将其转换为JSON字符串(后端接收json字符串)
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success: function(res) {
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// 处理后端返回的响应
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console.log('请求成功', res.data);
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// 根据需要更新小程序页面的数据或执行其他操作
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},
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fail: function(err) {
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// 处理请求失败的情况
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console.error('请求失败', err);
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// 可以向用户显示错误信息或执行其他错误处理操作
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}
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});
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// 将新对象添加到data.stu数组中
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this.setData({
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['students[' + this.data.students.length + ']']: newStu //直接将新对象加在数组后面
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});
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} else {
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console.log('id重复:${id}');
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}
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})
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console.log(this.data.students);
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} else {
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this.cantNull();
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}
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},
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goToclass_manage: function(){
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wx.navigateTo({
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url: '/pages/class_manage/class_manage'
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});
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}
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});
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