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Detailed explanation of simple process management using PHP and ajax (pictures and text)
Detailed explanation of simple process management using PHP and ajax (pictures and text)
This article mainly introduces ajax and PHP to implement simple process management in detail, which has certain reference value. Interested friends can refer to the examples of
I have shared with you ajax and PHP to implement simple process management for your reference. The specific content is as follows
First, you must have a page for creating a new process xinjian.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>新建</title>
<script src="../FENGZHUANG/jquery-3.1.1.min.js"></script>
</head>
<body>
<h1>新建流程</h1>
<p>
请选择节点人员：
<select id="user">
<?php
session_start();//需要将一些数据暂时存在session里
include("../FENGZHUANG/DBDA.class.php");
$db = new DBDA();
$sql = "select * from users";
$arr = $db->Query($sql);
foreach($arr as $v)
{
echo "<option value='{$v[0]}'>{$v[2]}</option>";
}
?>
</select>
<input type="button" value="添加节点" id="add" />
</p>
<br />
<p>
<?php
if(!empty($_SESSION["user"]))
{
$attr = $_SESSION["user"];
foreach($attr as $k=>$v) //索引为$k,取值为$v
{
$sname = "select name from users where uid='{$v}'"; //取出名称
$name = $db->StrQuery($sname);
echo "<p>{$k}--{$name}--<input type='button' value='删除' key='{$k}' class='del' /></p>";
//向处理页面传的是key的值
}
}
?>
</p>
<br />
<p>请输入流程名称：<input type="text" id="name" /></p>
<br />
<input type="button" value="保存" id="btn" />
</body>
<script type="text/javascript">
//添加节点按钮加点击
$("#add").click(function(){
var uid = $("#user").val();
$.ajax({
url:"chuli.php",
data:{uid:uid,type:0}, //传入一个type参数，以确保在同一页面处理时与其它的分开处理
type:"POST",
dataType:"TEXT",
success: function(data){
window.location.href="xinjian.php" rel="external nofollow" rel="external nofollow" ; //刷新页面
}
});
})
//给删除按钮加点击
$(".del").click(function(){
var key = $(this).attr("key"); //取删除的是哪条数据
$.ajax({
url:"chuli.php",
data:{key:key,type:1},
type:"POST",
dataType:"TEXT",
success:function(data){
window.location.href="xinjian.php" rel="external nofollow" rel="external nofollow" ;
}
});
})
//给保存按钮加点击
$("#btn").click(function(){
var name = $("#name").val(); //取输入框中输入内容的值
$.ajax({
url:"chuli.php",
data:{name:name,type:2},
type:"POST",
dataType:"TEXT",
success:function(data){
alert("保存成功！");
}
});
})
</script>
</html>
Database picture:
<?php
session_start();
include("../FENGZHUANG/DBDA.class.php");
$db = new DBDA();
$type = $_POST["type"];
switch($type)
{
case 0://添加节点的加载数据,向session数组中添加数据
$uid = $_POST["uid"];
if(empty($_SESSION["user"]))
{
$arr = array($uid);
$_SESSION["user"] = $arr;
}
else
{
$arr = $_SESSION["user"];
array_push($arr,$uid);
$_SESSION["user"] = $arr;
}
break;
case 1://取节点的索引，然后删除，重新索引
$key = $_POST["key"];
$arr = $_SESSION["user"];
unset($arr[$key]); //删除
$arr = array_values($arr); //重新索引
$_SESSION["user"] = $arr;
break;
case 2:
$name = $_POST["name"];
$code = time();
//添加流程
$sql = "insert into liucheng values('{$code}','{$name}')";
$db->Query($sql,0);
//添加流程节点
$arr = $_SESSION["user"];
foreach($arr as $k=>$v)
{
$sql = "insert into flowpath values('','{$code}','{$v}','{$k}')";
$db->Query($sql,0);
}
break;
case 3: //用户发起流程
$code = $_POST["code"];
$nr = $_POST["content"];
$uid = $_SESSION["uid"];
$time = date("Y-m-d H:i:s");
$sql = "insert into userflow values('','{$code}','{$uid}','{$nr}',0,'{$time}',0)";
$db->Query($sql,0);
break;
}<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>发起流程</title><br />
<script src="../FENGZHUANG/jquery-3.1.1.min.js"></script>
</head>
<body>
<h1>发起流程</h1>
<p>
请选择发起的流程：
<select id="liucheng">
<?php
session_start();
include("../FENGZHUANG/DBDA.class.php");
$db = new DBDA();
$sql = "select * from liucheng";
$arr = $db->Query($sql);
foreach($arr as $v)
{
echo "<option value='{$v[0]}'>{$v[1]}</option>";
}
?>
</select>
</p>
<br />
<p>
请输入内容：
<textarea id="nr"></textarea>
</p>
<br />
<input type="button" value="发起" id="btn" />
</body>
<script type="text/javascript">
$("#btn").click(function(){
var code = $("#liucheng").val();
var content = $("#nr").val();
$.ajax({
url:"chuli.php",
data:{code:code,content:content,type:3},
type:"POST",
dataType:"TEXT",
success: function(data){
alert("发起成功！");
}
});
})
</script>
</html>
AuditPage shenhe.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>审核</title>
</head>
<body>
<h1>审核页面</h1>
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>流程代号</td>
<td>发起者</td>
<td>发起内容</td>
<td>是否结束</td>
<td>发起时间</td>
<td>操作</td>
</tr>
<?php
session_start();
include("../FENGZHUANG/DBDA.class.php");
$db = new DBDA();
$uid = $_SESSION["uid"];
echo $uid;
//查找登录者参与的所有流程
$sql = "select * from userflow where code in(select code from flowpath where uids='{$uid}')";
$arr = $db->Query($sql);
//显示
foreach($arr as $v)
{
//判断该流程走到登录者
$lcdh = $v[1]; //流程代号
$towhere = $v[6];//流程走到哪
$sql = "select orders from flowpath where code='{$lcdh}' and uids='{$uid}'";
$order = $db->StrQuery($sql);//该人员在流程中的次序
if($towhere>=$order)
{
$caozuo = "";
if($towhere==$order)
{
$caozuo="<a href='tongguo.php?code={$v[0]}'>通过</a>";
}
else
{
$caozuo="<span style='background-color:green;color:white'>已通过</span>";
}
echo "<tr>
<td>{$v[1]}</td>
<td>{$v[2]}</td>
<td>{$v[3]}</td>
<td>{$v[4]}</td>
<td>{$v[5]}</td>
<td>{$caozuo}</td>
</tr>";
}
}
?>
</table>
</body>
</html>
##tongguo.php
<?php
session_start();
include("../FENGZHUANG/DBDA.class.php");
$db = new DBDA();
//流程往下走
$code = $_GET["code"];
$sql = "update userflow set towhere=towhere+1 where ids='{$code}'"; //使流程向下走
$db->Query($sql,0);
//判断流程是否结束
$sql = "select * from userflow where ids='{$code}'";
$arr = $db->Query($sql);
$lcdh = $arr[0][1]; //流程代号
$tw = $arr[0][6]; //流程走到哪
$sql = "select count(*) from flowpath where code='{$lcdh}'";
$count = $db->StrQuery($sql); //该流程节点人数
if($tw>=$count)
{
$sql = "update userflow set isok=1 where ids='{$code}'"; //如果结束了流程，将isok项改为结束。
$db->Query($sql,0);
}
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