update: function () { var that = this; if (that.form.username == '' || that.form.gender == '' || that.form.college == '' || that.form.major == '' || that.form.phone == '' || that.form.dorm == '' || that.form.startdate == '' ) { that.$message.warning("请完整填写信息"); return false; } that.form['method'] = 'update'; axios.post("../controller/StudentController.php", that.form) .then(function (res) { var data = res.data; if (data.success) { that.$message.success("修改成功"); that.dialogVisible = false; that.resetForm(); that.queryAll(); } else { that.$message.warning("修改失败"); } }).catch(function (reason) { } ); }, handleClose: function () { this.dialogVisible = false; }这串代码的实现和功能
时间: 2024-02-10 14:12:33 浏览: 125
这是一个Vue.js组件中的方法,用于更新学生信息。方法中首先判断表单中的所有字段是否都已填写,如果有未填写的字段,则会弹出警告提示,并返回false。如果所有字段都已填写,则会设置表单中的method属性为'update',并使用axios库发送POST请求到指定的后端接口(StudentController.php)。当接口返回成功后,会弹出成功提示,并重新查询所有学生信息(调用queryAll方法),否则会弹出失败提示。同时,组件中还定义了一个handleClose方法,用于关闭弹框。
相关问题
注册页面register.html包括登录名、密码、姓名、性别、邮箱、手机号等信息,要求对所有字段进行非空判断,密码为数字、字母和特殊字符的组合(不少于8位),对邮箱和手机号进行有效性判断,否则弹出对话框进行提示。注册信息处理由映射地址为register.do的RegisterServlet.java进行处理,将所有用户注册的登录名、密码、姓名、性别、邮箱、手机号等信息按行保存到userinfo.txt中,每个字段用“|”分隔,要求将密码以SHA256加密(可用JDK自带的java.security.MessageDigest实现)后写入文件
ChatGPT: 您好,我可以帮您回答这个问题。对于注册页面register.html,可以使用JavaScript进行非空判断和有效性判断,比如使用正则表达式对邮箱和手机号进行验证。在RegisterServlet.java中,可以使用BufferedWriter将用户信息写入userinfo.txt文件中,并使用java.security.MessageDigest对密码进行SHA256加密。以下是一个可能的实现:
JavaScript代码:
```javascript
function validateForm() {
var username = document.forms["registerForm"]["username"].value;
var password = document.forms["registerForm"]["password"].value;
var name = document.forms["registerForm"]["name"].value;
var gender = document.forms["registerForm"]["gender"].value;
var email = document.forms["registerForm"]["email"].value;
var phone = document.forms["registerForm"]["phone"].value;
if (username == "" || password == "" || name == "" || gender == "" || email == "" || phone == "") {
alert("所有字段都是必填的!");
return false;
}
var passwordRegex = /^(?=.*[0-9])(?=.*[a-zA-Z])(?=.*[!@#$%^&*])[a-zA-Z0-9!@#$%^&*]{8,}$/;
if (!passwordRegex.test(password)) {
alert("密码必须是数字、字母和特殊字符的组合(不少于8位)!");
return false;
}
var emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
if (!emailRegex.test(email)) {
alert("请输入有效的邮箱地址!");
return false;
}
var phoneRegex = /^1[3456789]\d{9}$/;
if (!phoneRegex.test(phone)) {
alert("请输入有效的手机号码!");
return false;
}
return true;
}
```
Java代码:
```java
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class RegisterServlet {
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String username = request.getParameter("username");
String password = request.getParameter("password");
String name = request.getParameter("name");
String gender = request.getParameter("gender");
String email = request.getParameter("email");
String phone = request.getParameter("phone");
// SHA256加密密码
String encryptedPassword = null;
try {
MessageDigest md = MessageDigest.getInstance("SHA-256");
md.update(password.getBytes());
byte[] digest = md.digest();
encryptedPassword = String.format("%064x", new java.math.BigInteger(1, digest));
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
// 将用户信息写入文件
try (BufferedWriter writer = new BufferedWriter(new FileWriter("userinfo.txt", true))) {
writer.write(username + "|" + encryptedPassword + "|" + name + "|" + gender + "|" + email + "|" + phone);
writer.newLine();
} catch (IOException e) {
e.printStackTrace();
}
}
}
```
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