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//创建点击事件<a href='' onclick="logout(event)">[注销]</a>
//方法实现async function logout(ev){ev.preventDefault();// ev.preventDefault();if(confirm('是否退出')){const url = './lib/userHandle.php?action=logout';const res = await fetch(url);const result = await res.json();if(result){alert('退出成功');location.href='index.php';}else{alert('系统错误,请重试');location.href='login.php';}}}
session_start();$flag = false;if(session_destroy()){$flag = true;}echo json_encode($flag);
const getInput = (form)=>{return {nackname:{ele:form.nickname,value:form.nickname.value.trim()},email:{ele:form.email,value:form.email.value.trim()},password:{ele:form.password,value:form.password.value.trim()},rePassword:{ele:form.rePassword,value:form.rePassword.value.trim()}}}
const isEmpty = (user)=>{switch(true){case user.nickname.value.length ===0:alert('昵称不能为空');user.nickname.ele.focus();return false; //代码结束,不再继续执行case user.email.value.length ===0:alert('邮箱不能为空');user.email.ele.focus();return false;case user.password.value.length===0:alert('密码不能为空');user.password.ele.focus();return false;case user.rePassword.value.length ===0:alert('确认密码不能为空');user.rePassword.ele.focus();return false;default:return true; //拦截结束,返回true}}
const isPwdEqeu = (user)=>{if(user.password.value!==user.rePassword.value){alert('两次密码输入不一致');user.password.focus(); //输入框return false;} else{return true;}}
const createData = (user)=>{return{nickname:user.nickname.value,email:user.email.value,password:user.password.value}}
async function insertData(data){url = './lib/userHandle.php?action=register';const res = await fetch(url,{method:'POST',headers:{'content-Type':'application/json;charset=utf-8',},body:JSON.stringify(data)});//返回数据const result = res.json();if(result){aletrt('注册成功');location.href='index.php';}else{alert('注册失败,请重试');location.href='register.php';btn.form.nickname.focus();}}
echo <<<TIPS<script>alert('非法请求!')location.href='../login.php'<script>TIPS;
// 定界符 heredoc 解析变量和特殊字符$str = <<< POEM窗前明月光, \n疑是地上霜。\nPOEM;// 定界符 nowdoc //不会解析变量和特殊字符$str = <<< 'POEM'窗前明月光, \n疑是地上霜。\nPOEM;
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