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Can asynchronously load drafts from MySQL ~, update draft list asynchronously ~
: http://download.csdn.net/source/3479156
Code:
demo.php
<?php
mysql_connect ("localhost", "root", "root");
mysql_select_db ("test");
mysql_query ("Set CHARACTER set GB2312");
if ($_post["Submit"]) {
$title =trim ($_post["title"]);
$content =trim ($_post["content");
$paper _id=$_post["paper_id"];
if ($title! = "" and $content! = "") {
$query = "Select ' paper_id ' from ' News ' where ' paper_id ' = ' $paper _id '";
$result =mysql_query ($query);
$info =mysql_fetch_array ($result);
if ($info = = "") {
$query = "INSERT INTO ' news ' (paper_id,title,content) VALUES (' $paper _id ', ' $title ', ' $content ')";
}else{
$query = "Update ' news ' set ' title ' = ' $title ', ' content ' = ' $content ' where ' paper_id ' = ' $info [paper_id] '";
}
if (mysql_query ($query)) {
echo "<script>alert (' Draft saved successfully! '); History.back ( -1);</script> ";
}else{
echo "<script>alert (' draft save failed! '); History.back ( -1);</script> ";
}
}else{
echo "<script>alert (' title and content cannot be empty!) '); History.back ( -1);</script> ";
}
}
?>
<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<meta http-equiv= "Content-type" content= "text/html; charset=gb2312 "/>
<title>php+jquery automatically save drafts </title>
<style>
body{
font-size:12px;
margin:0 Auto;
line-height:20px;
}
</style>
<script language= "JavaScript" type= "Text/javascript" src= "Jquery.js" ></script>
<script>
function Save_paper () {
var titleval=$ ("#title"). Val ();
var contentval=$ ("#content"). Val ();
var paper_idval=$ ("#paper_id"). Val ();
var numbval=$ ("#numb span"). text ();
Titleval=$.trim (Titleval);
Contentval=$.trim (Contentval);
if (titleval!= "" && contentval!= "") {
$.post (
' Save_paper.php ',
{
Title:titleval,
Content:contentval,
Paper_id:paper_idval,
Numb:numbval
},
function (data) {
var returnmsg= ';
Eval (' returnmsg= ' +data+ ";");
if (returnmsg.time!= "" && returnmsg.numb!= "") {
$ ("#returnmsg"). HTML (returnmsg.time);
$ ("#numb span"). HTML (RETURNMSG.NUMB);
if (returnmsg.id!= "" && returnmsg.title!= "" && returnmsg.tag!= "") {
if (returnmsg.tag==1) {
$ ("#format tr td:eq (0)"). Text (returnmsg.title);
$ ("#format tr td:eq (1) input:eq (1)"). Val (returnmsg.id);
$ ("#data tr:last"). After ($ ("#format tr"). Clone (True));
}else if (returnmsg.tag==2) {
$ ("#data tr TD input[value= '" +returnmsg.id+ "']"). Parent (). Prev (). text (returnmsg.title);
}
}
}
}
);
}
}
function Load_paper (obj) {
var load_idval=obj.next (). Val ();
if (load_idval!= "") {
$.post (
' Load_paper.php ',
{
Id:load_idval
},
function (data) {
var info= ';
Eval (' info= ' +data+ ";");
$ ("#title"). Val (Info.title);
$ ("#content"). Val (info.content);
$ ("#paper_id"). Val (info.paper_id);
}
);
}
}
$ (document). Ready (function () {
SetInterval ("Save_paper ();", 15000);
$ ("Input[name= ' Load_paper ']"). Click (function () {
Load_paper ($ (this));
});
});
</script>
<body>
<div align= "center" >
<div id= "returnmsg" style= "border:1px solid #0099FF; background: #00CC33; width:400px;height:20px;" ></div>
<div id= "Numb" style= "border:1px solid #0099FF; background: #0099FF; width:400px;height:20px;" >
Draft box (<span style= "Font-weight:bold" >
<?php
$query = "Select COUNT (' ID ') as ' numb ' from ' News '";
$result =mysql_query ($query);
$info =mysql_fetch_array ($result);
echo $info ["Numb"];
?>
</span>)
</div>
<br/><br/>
<form action= "" method= "Post" Name= "Form1" >
Title: <input name= "title" type= "text" id= "title" Size= "/>"
<br/><br/>
Content: <textarea name= "Content" id= "content" cols= "rows=" ></textarea>
<br/><br/>
<input name= "Submit" type= "Submit" value= "Save Draft"/>
<input name= "paper_id" id= "paper_id" type= "hidden" value= "<?php Echo (Time () +28800). Rand (0,10000);? > "/>
</form>
<table id= "Data" width= "" "border=" 1 "cellspacing=" 0 "cellpadding=" 0 "style=" border-collapse:collapse "; Text-align:center; " >
<tr>
<th colspan= "2" > Drafts in draft box </th>
</tr>
<?php
$query = "SELECT * from ' News";
$result =mysql_query ($query);
while ($info =mysql_fetch_array ($result)) {
?>
<tr>
<td><?php echo $info ["title"];? ></td>
<td><input name= "Load_paper" type= "button" value= "Load draft"/><input name= "Load" type= "hidden" value= "< ? php echo $info [' id '];? > "/></td>
</tr>
<?php
}
?>
</table>
<table id= "format" style= "Display:none;" >
<tr>
<td> </td>
<td><input name= "Load_paper" type= "button" value= "Load draft"/><input name= "Load" type= "hidden" value= ""/ ></td>
</tr>
</table>
</div>
</body>
load_paper.php
<?php
mysql_connect ("localhost", "root", "root");
mysql_select_db ("test");
mysql_query ("Set CHARACTER set UTF8");
$id =trim ($_post["id"]);
if ($id! = "") {
$query = "SELECT * from ' News ' where ' id ' = ' $id '";
$result =mysql_query ($query);
$info =mysql_fetch_array ($result);
echo Json_encode ($info);
}
?>
save_paper.php
<?php
mysql_connect ("localhost", "root", "root");
mysql_select_db ("test");
mysql_query ("Set CHARACTER set UTF8");
$title =trim ($_post["title"]);
$content =trim ($_post["content");
$paper _id=trim ($_post["paper_id"]);
$numb =trim ($_post["Numb"]);
if ($title! = "" and $content! = "") {
$query = "SELECT * from ' News ' where ' paper_id ' = ' $paper _id '";
$result =mysql_query ($query);
$info =mysql_fetch_array ($result);
$timestamp =date ("y-m-d h:i:s", Time () +28800);
if ($info = = "") {
$query = "INSERT INTO ' news ' (paper_id,title,content) VALUES (' $paper _id ', ' $title ', ' $content ')";
if (mysql_query ($query)) {
$id =mysql_insert_id ();
$returnmsg =array ("Time" = "$timestamp." Automatically save drafts successfully! ")," numb "= ($numb + 1)," id "and" $id "," title "and" $title "," tag "=>1);
}else{
$returnmsg =array ("Time" = "$timestamp." Auto Save draft failed! ")," numb "= $numb," id "and" "," title "and" "";
}
}else{
if ($info [' title ']!= $title or $info ["content"]!= $content) {
$query = "Update ' news ' set ' title ' = ' $title ', ' content ' = ' $content ' where ' paper_id ' = ' $paper _id '";
if (mysql_query ($query)) {
$returnmsg =array ("Time" = "$timestamp." Automatically save drafts successfully! ")," Numb "and" $numb, "" id "+ $info [" id "]," title "and" $title, "" tag "=>2);
}else{
$returnmsg =array ("Time" = "$timestamp." Auto Save draft failed! ")," numb "= $numb," id "and" "," title "and" "";
}
}else{
$returnmsg =array ("Time" and "" "," Numb "and" "", "id" = "", "title" and "" ");
}
}
echo Json_encode ($returnmsg);
}
?>
News.sql
--PhpMyAdmin SQL Dump
--Version 3.1.5-rc1
--Http://www.phpmyadmin.net
--
--Host: localhost
--Date of generation: October 02, 2010 06:20
--Server version: 5.0.18
--PHP version: 5.2.8
SET sql_mode= "No_auto_value_on_zero";
/*!40101 SET @[email protected] @CHARACTER_SET_CLIENT */;
/*!40101 SET @[email protected] @CHARACTER_SET_RESULTS */;
/*!40101 SET @[email protected] @COLLATION_CONNECTION */;
/*!40101 SET NAMES UTF8 */;
--
--Database: ' Test '
--
-- --------------------------------------------------------
--
--The structure of the table ' News '
--
CREATE TABLE IF not EXISTS ' news ' (
' id ' int (one) unsigned not NULL auto_increment,
' paper_id ' varchar (not NULL),
' title ' varchar (not NULL),
' content ' varchar (not NULL),
PRIMARY KEY (' id ')
) Engine=innodb DEFAULT charset=gb2312 auto_increment=1;
--
--Export the data in the table ' News '
--
I wrote a similar Baidu space automatically save the draft program Php+jquery
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