ThinkPHP之用户注册登录留言完整实例
author:一佰互联 2019-04-29   click:223

本文以实例形式讲述ThinkPHP实现的包括用户的注册、登录以及留言等功能,这里需要大家注意的是,在存在用户模型的情况下实例化一个用户类的时候使用D方法来实现
 
UserActiion.class.php页面:

<?php
class UserAction extends Action{
public function add(){
$user = D("user");
$user->create();
$result = $user->add();
if($result){
$this->assign("jumpUrl","__APP__/index/index");
$this->success("注册成功!");
}else{
//echo $user->getError();
$this->assign("jumpUrl","__APP__/user/register");
$this->error($user->getError());
}
}
public function register(){
$this->display();
}
public function login(){
$this->display();
}
public function checklogin(){
$username = $_POST["username"];
$passwd = $_POST["passwd"];
$user = D("user");
//$User->where("id=8")->find();这里的where 语句要注意一下,如果是其他字段的话后面一定要有单引号
$userinfo = $user->where("username ="$username"")->find();
if(!empty($userinfo)){
if($userinfo["passwd"] == $passwd){
Cookie::set("userid",$userinfo["id"],time()+3600*24);
Cookie::set("username",$username,time()+3600*24);
Cookie::set("lastlogintime",time(),time()+3600*24);
$this->assign("jumpUrl","__APP__/index/index");
$this->success("登陆成功!");
}else{
$this->assign("jumpUrl","__APP__/user/login");
$this->error("密码出错,请重新输入!");
}
}else{
$this->assign("jumpUrl","__APP__/user/login");
$this->error("用户名不存在!");
}
}
public function loginout(){
Cookie::delete("username");
Cookie::delete("lastlogintime");
$this->assign("jumpUrl","__APP__/index/index");
$this->success("您已经成功退出,欢迎您的下次登录!");
}
}
 

IndexAction.class.php页面:

<?php
// 本类由系统自动生成,仅供测试用途
class IndexAction extends Action{
public function insert() {   
$content = new ContentModel();
$result = $content->create();
if(!$result){
$this->assign("jumpUrl","__URL__/index");
$this->error($content->getError());//如果创建失败,表示验证没有通过,输出错误信息
}else{//验证通过,进行其他操作
$content->userid=Cookie::get("userid");
$content->add();
$this->assign("jumpUrl","__URL__/index");
$this->success("添加成功!");
}
} 
// 数据查询操作  
public function index() {
$content = new ContentModel();
$list = $content->findAll();  
//用户的cookie
$username = Cookie::get("username");
$lastlogintime = Cookie::get("lastlogintime");
$this->assign("list",$list);    
$this->assign("title","我的首页");
$this->assign("username",$username);
$this->assign("lastlogintime",$lastlogintime);
$this->display();  
} 
// 删除操作
public function delete(){
$content = new ContentModel();
$id = $_GET["id"];
if($content->where("id=$id")->delete()){
$this->assign("jumpUrl","__URL__/index");
$this->success("删除成功!");
}else{
$this->assign("jumpUrl","__URL__/index");
$this->error("删除失败!");
}
} 
// 编辑操作
public function edit(){
$content = new ContentModel();
$id = $_GET["id"];
if($id != "")
{
//$data = $content->select($id);
$data = $content->where("id=$id")->select();
if(!empty($data)){
$this->assign("data",$data);
}else{
echo "数据为空!";
}
}
$this->assign("title","编辑页面");
$this->display();
}
// 更新操作
public function update(){
$content = new ContentModel();
//直接使用create(),自动会帮你进行数据的传值
/*$content->create();
$content->save(); // 根据条件保存修改的数据
echo "更新数据成功!";*/
// 使用post 传值过来,进行更新
$id = $_POST["id"];
if($id != "")
{
$data["id"] = $id;
$data["title"] = $_POST["title"];
$data["content"] = $_POST["content"];
if($content->save($data))// 根据条件保存修改的数据
{
$this->assign("jumpUrl","__URL__/index");
$this->success("更新数据成功!");
}
else{
$this->assign("jumpUrl","__URL__/index");
$this->success("更新数据失败!");
}
}else
{
echo "保存数据失败!";
}
}
}
?>
 

ContentModel.class.php页面:

<?php
class ContentModel extends Model{
/*
* 自动验证
* array(验证字段,验证规则,错误提示,验证条件,附加规则,验证时间)
*/ 
protected $_validate = array(
array("title","require","标题必须填写!"),
array("content","require","内容必须填写!"), 
);
/* 
* 自动填充
* array(填充字段,填充内容,填充条件,附加规则)
*/
protected $_auto = array(
array("addtime","time",1,"function"),
);
}
?>

UserModel.class.php页面:

<?php
class UserModel extends Model{
protected $_validate = array(
array("username","","帐号名称已经存在!",0,"unique",1), 
);  
}
?>

 
这里需要注意的是,使用自动验证的时候 实例化时要用 $user = D("user") 而不能用 $user = M("user"),用M这种方法会报错,D函数用于实例化Model,M函数用户实例化一个没有模型的文件。
 
success.html页面:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta http-equiv="refresh" content="20; url="{$jumpUrl}"" />
<title>信息提示</title>
</head>
<body>
<div id="man_zone">
<table width="40%" border="1" align="center" cellpadding="3" cellspacing="0" class="table" style="margin-top:100px;">
<tr>
<th align="center" style="background:#cef">信息提示</th>
</tr>
<tr>
<td><p>{$message}<br />
2秒后返回指定页面!<br />
如果浏览器无法跳转,<a href="{$jumpUrl}" rel="external nofollow" >请点击此处</a>。</p></td>
</tr>
</table>
</div>
</body>
</html>