發(fā)布新聞<\/a><\/div>\n \n<\/body>\n<\/html>\n<\/pre>\n\n ![\"\"](\"http:\/\/www.bkjia.com\/uploads\/allimg\/160513\/01110UV1-3.png\")
<\/p>\n
2. Publish news page-----Add content <\/strong><\/p>\n\n\n\n\n\n發(fā)布新聞<\/title>\n<style>\n.xw\n{\n \n margin-top:10px;\n margin-left:400px;\n border:thick; \n }\n.a\n{\n float:left;\n \n }\n \n<\/style>\n \n<\/head>\n \n<body>
<h1><a href="http://www.miracleart.cn/">国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂</a></h1>\n<h1><center>發(fā)布新聞<\/center><\/h1>\n \n<form action=\"AddChu.php\" method=\"post\">\n<div id="377j5v51b" class=\"xw\">標(biāo)題：<input type=\"text\" name=\"title\" style=\"width:400px\"><\/div>\n<div id="377j5v51b" class=\"xw\">作者：<input type=\"text\" name=\"author\"><\/div>\n<div id="377j5v51b" class=\"xw\">來源：<input type=\"text\" name=\"source\"><\/div>\n<div id="377j5v51b" class=\"xw\">內(nèi)容:\n<textarea rows=\"10\" cols=\"80\" name=\"content\"><\/textarea><\/div>\n \n<div id="377j5v51b" class=\"a\"><input type=\"submit\" value=\"提交\" style=\"margin-left:600px;\"><\/div>\n<div id="377j5v51b" class=\"a\"><a href=\"ChaKan.php\"><input type=\"button\" value=\"查看\" style=\"margin-left:6px;\"><\/a><\/div>\n \n<\/form>\n \n \n<\/body>\n<\/html>\n<\/pre>\n\n<p style=\"text-align: center\"> <img alt=\"\" src=\"http:\/\/www.bkjia.com\/uploads\/allimg\/160513\/01110WS8-4.png\" \/><\/p>\n<p>Processing after submitting content: <\/p>\n\n<pre class='brush:php;toolbar:false;'>\n<?php\n$newsid=$_POST[\"newsid\"];\n$title=$_POST[\"title\"];\n$author=$_POST[\"author\"];\n$source=$_POST[\"source\"];\n$content=$_POST[\"content\"];\n$time=date(\"Y-m-d\",time());\n \n$db=new MySQLi(\"localhost\",\"root\",\"\",\"mydb\");\n!mysqli_connect_error() or die(\"聯(lián)系失敗!\");\n$sql=\"insert into news values('{$newsid}','{$title}','{$author}','{$source}','{$content}','{$time}')\";\n$result=$db->query($sql);\nif($result)\n{\n header (\"location:xinwen.php\");\n }\nelse\n{\n echo \"添加新聞失敗！\";\n }\n<\/pre>\n\n<p><strong>3. Deletion of content <\/strong><\/p>\n\n<pre class='brush:php;toolbar:false;'>\n<?php\n$newsid=$_GET[\"newsid\"];\n$db=new MySQLi(\"localhost\",\"root\",\"\",\"mydb\");\n!mysqli_connect_error() or die(\"連接失敗!\");\n$sql=\"delete from news where newsid='{$newsid}'\";\n$result=$db->query($sql);\nif($result)\n{\n header (\"location:ChaKan.php\");\n }\nelse\n{\n echo \"刪除數(shù)據(jù)失敗\";\n }\n?>\n<\/pre>\n?\n<p><strong>4. Modify the news page----modify the news content and submit it for viewing<br \/>\n<\/strong><\/p>\n\n<pre class='brush:php;toolbar:false;'>\n<html>\n<head>\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=utf-8\" \/>\n<title>修改新聞<\/title>\n<style>\n.xw\n{\n \n margin-top:10px;\n margin-left:400px;\n border:thick; \n }\n \n.a\n{\n float:left;\n \n }\n \n<\/style>\n<\/head>\n \n<body>\n<h1><center>修改新聞<\/center><\/h1>\n<?php\n$newsid = $_GET[\"newsid\"];\n$db = new MySQLi(\"localhost\",\"root\",\"\",\"mydb\");\n$sinfo = \"select * from news where newsid='{$newsid}'\";\n$r = $db->query($sinfo);\n$arr = $r->fetch_row(); \/\/這個人的所有信息\n?>\n \n<form action=\"UpdateChu.php\" method=\"post\">\n<div id="377j5v51b" class=\"xw\"><input type=\"hidden\" name=\"newsid\" value=\"<?php echo $arr[0] ?>\"><\/div>\n<div id="377j5v51b" class=\"xw\">標(biāo)題：<input type=\"text\" name=\"title\" style=\"width:400px\" value=\"<?php echo $arr[1] ?>\"><\/div>\n<div id="377j5v51b" class=\"xw\">作者：<input type=\"text\" name=\"author\" value=\"<?php echo $arr[2] ?>\"><\/div>\n<div id="377j5v51b" class=\"xw\">來源：<input type=\"text\" name=\"source\" value=\"<?php echo $arr[3] ?>\"><\/div>\n<div id="377j5v51b" class=\"xw\">內(nèi)容:\n<textarea rows=\"10\" cols=\"80\" name=\"content\"><?php echo $arr[4] ?><\/textarea><\/div>\n \n<div id="377j5v51b" class=\"a\"><input type=\"submit\" value=\"修改\" style=\"margin-left:600px;\"><\/div>\n<div id="377j5v51b" class=\"a\"><a href=\"ChaKan.php\"><input type=\"button\" value=\"查看\" style=\"margin-left:6px;\"><\/a><\/div>\n \n<\/form>\n \n<\/body>\n<\/html> \n<\/pre>\n\n<p style=\"text-align: center\"> <img alt=\"\" src=\"http:\/\/www.bkjia.com\/uploads\/allimg\/160513\/01110Q304-5.png\" \/><\/p>\n<p>Submit the modified content for processing: <br \/>\n<\/p>\n\n<pre class='brush:php;toolbar:false;'>\n<?php\n$newsid=$_POST[\"newsid\"];\n$title=$_POST[\"title\"];\n$author=$_POST[\"author\"];\n$source=$_POST[\"source\"];\n$content=$_POST[\"content\"];\n$time=date(\"Y-m-d\",time());\n\n$db=new MySQLi(\"localhost\",\"root\",\"\",\"mydb\");\n!mysqli_connect_error() or die(\"聯(lián)系失敗!\");\n$sql=\"update news set title='{$title}',author='{$author}',source='{$source}',content='{$content}',time='{$time}' where newsid='{$newsid}'\";\n$result=$db->query($sql);\nif($result)\n{\n header (\"location:Update.php\");\n }\nelse\n{\n echo \"修改數(shù)據(jù)失敗!\";\n }\n<\/pre>\n\n<p>The above is the entire content of this article. I hope it will be helpful to everyone in learning PHP programming. <\/p>\n<p align=\"left\"><\/p>\n<div style=\"display:none;\">\n<span id=\"url\" itemprop=\"url\">http:\/\/www.bkjia.com\/PHPjc\/1125897.html<\/span><span id=\"indexUrl\" itemprop=\"indexUrl\">www.bkjia.com<\/span><span id=\"isOriginal\" itemprop=\"isOriginal\">true<\/span><span id=\"isBasedOnUrl\" itemprop=\"isBasedOnUrl\">http: \/\/www.bkjia.com\/PHPjc\/1125897.html<\/span><span id=\"genre\" itemprop=\"genre\">TechArticle<\/span><span id=\"description\" itemprop=\"description\">php data access add, delete, modify and check operations, php data access add, delete, delete, modify and check operations small exercises, let’s practice it 1. View the news page-----main page htmlheadmeta http-equiv=\"Conten...<\/span>\n<\/div>\n<div id="377j5v51b" class=\"art_confoot\"><\/div>"} </script>
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<a href="#Add-delete-modify-and-check-operations-of-php-data-access-add-and-delete-php-data-access" title="Add, delete, modify and check operations of php data access, add and delete php data access" >Add, delete, modify and check operations of php data access, add and delete php data access</a>
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<h1 class="Articlelist_txts_title">PHP data access add, delete, modify and check operations, PHP data access add and delete_PHP tutorial</h1>
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<span id="377j5v51b" class="Articlelist_txts_time">Jul 12, 2016 am 08:52 AM</span>
<div id="377j5v51b" class="Articlelist_txts_infos">
<span id="377j5v51b" class="Articlelist_txts_infoss on">php</span>
<span id="377j5v51b" class="Articlelist_txts_infoss ">Add, delete, modify and check</span>
<span id="377j5v51b" class="Articlelist_txts_infoss ">data access</span>
</div>
</div>
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<hr />
<div id="377j5v51b" class="article_main php-article">
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data-ad-layout="in-article"
data-ad-format="fluid"
data-ad-client="ca-pub-5902227090019525"
data-ad-slot="3461856641">
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<p></p>
<h2 id="Add-delete-modify-and-check-operations-of-php-data-access-add-and-delete-php-data-access">Add, delete, modify and check operations of php data access, add and delete php data access</h2>
<p>Small practice on add, delete, modify and check operations, let’s practice it</p>
<p style="text-align: center"><img src="/static/imghw/default1.png" data-src="http://www.bkjia.com/uploads/allimg/160513/01110UG6-0.png" class="lazy" alt=""></p>
<p style="text-align: center"><img src="/static/imghw/default1.png" data-src="http://www.bkjia.com/uploads/allimg/160513/01110QM2-1.png" class="lazy" alt=""></p>
<p style="text-align: center"><img src="/static/imghw/default1.png" data-src="http://www.bkjia.com/uploads/allimg/160513/01110V954-2.png" class="lazy" alt=""></p>
<p><strong>1. View the news page-----main page </strong></p>
<pre class='brush:php;toolbar:false;'>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>查看新聞</title>
</head>
<body>
<h1>查看新聞</h1>
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>id</td>
<td>title</td>
<td>author</td>
<td>source</td>
<td>content</td>
<td>date</td>
<td>update</td>
<td>delete</td>
</tr>
<?php
$db=new MySQLi("localhost","root","","mydb");
!mysqli_connect_error() or die("連接失敗！");
$sql="select * from news";
$result=$db->query($sql);
$arr=$result->fetch_all();
foreach ($arr as $v)
{
echo "<tr>
<td>{$v[0]}</td>
<td>{$v[1]}</td>
<td>{$v[2]}</td>
<td>{$v[3]}</td>
<td>{$v[4]}</td>
<td>{$v[5]}</td>
<td><a href='Update.php?newsid={$v[0]}'>update</a></td>
<td><a href='Delete.php?newsid={$v[0]}'>delete</a></td>
</tr>";
}
?>
</table>
<br>
<br />
<div class="xw"><a href="xinwen.php">發(fā)布新聞</a></div>
</body>
</html>
</pre>
<p style="text-align: center"> <img src="/static/imghw/default1.png" data-src="http://www.bkjia.com/uploads/allimg/160513/01110UV1-3.png" class="lazy" alt="" /></p>
<p><strong>2. Publish news page-----Add content </strong></p>
<pre class='brush:php;toolbar:false;'>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>發(fā)布新聞</title>
<style>
.xw
{
margin-top:10px;
margin-left:400px;
border:thick;
}
.a
{
float:left;
}
</style>
</head>
<body>
<h1><center>發(fā)布新聞</center></h1>
<form action="AddChu.php" method="post">
<div class="xw">標(biāo)題：<input type="text" name="title" style="width:400px"></div>
<div class="xw">作者：<input type="text" name="author"></div>
<div class="xw">來源：<input type="text" name="source"></div>
<div class="xw">內(nèi)容:
<textarea rows="10" cols="80" name="content"></textarea></div>
<div class="a"><input type="submit" value="提交" style="margin-left:600px;"></div>
<div class="a"><a href="ChaKan.php"><input type="button" value="查看" style="margin-left:6px;"></a></div>
</form>
</body>
</html>
</pre>
<p style="text-align: center"> <img src="/static/imghw/default1.png" data-src="http://www.bkjia.com/uploads/allimg/160513/01110WS8-4.png" class="lazy" alt="" /></p>
<p>Processing after submitting content: </p>
<pre class='brush:php;toolbar:false;'>
<?php
$newsid=$_POST["newsid"];
$title=$_POST["title"];
$author=$_POST["author"];
$source=$_POST["source"];
$content=$_POST["content"];
$time=date("Y-m-d",time());
$db=new MySQLi("localhost","root","","mydb");
!mysqli_connect_error() or die("聯(lián)系失敗!");
$sql="insert into news values('{$newsid}','{$title}','{$author}','{$source}','{$content}','{$time}')";
$result=$db->query($sql);
if($result)
{
header ("location:xinwen.php");
}
else
{
echo "添加新聞失??！";
}
</pre>
<p><strong>3. Deletion of content </strong></p>
<pre class='brush:php;toolbar:false;'>
<?php
$newsid=$_GET["newsid"];
$db=new MySQLi("localhost","root","","mydb");
!mysqli_connect_error() or die("連接失敗!");
$sql="delete from news where newsid='{$newsid}'";
$result=$db->query($sql);
if($result)
{
header ("location:ChaKan.php");
}
else
{
echo "刪除數(shù)據(jù)失敗";
}
?>
</pre>
?
<p><strong>4. Modify the news page----modify the news content and submit it for viewing<br />
</strong></p>
<pre class='brush:php;toolbar:false;'>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>修改新聞</title>
<style>
.xw
{
margin-top:10px;
margin-left:400px;
border:thick;
}
.a
{
float:left;
}
</style>
</head>
<body>
<h1><center>修改新聞</center></h1>
<?php
$newsid = $_GET["newsid"];
$db = new MySQLi("localhost","root","","mydb");
$sinfo = "select * from news where newsid='{$newsid}'";
$r = $db->query($sinfo);
$arr = $r->fetch_row(); //這個人的所有信息
?>
<form action="UpdateChu.php" method="post">
<div class="xw"><input type="hidden" name="newsid" value="<?php echo $arr[0] ?>"></div>
<div class="xw">標(biāo)題：<input type="text" name="title" style="width:400px" value="<?php echo $arr[1] ?>"></div>
<div class="xw">作者：<input type="text" name="author" value="<?php echo $arr[2] ?>"></div>
<div class="xw">來源：<input type="text" name="source" value="<?php echo $arr[3] ?>"></div>
<div class="xw">內(nèi)容:
<textarea rows="10" cols="80" name="content"><?php echo $arr[4] ?></textarea></div>
<div class="a"><input type="submit" value="修改" style="margin-left:600px;"></div>
<div class="a"><a href="ChaKan.php"><input type="button" value="查看" style="margin-left:6px;"></a></div>
</form>
</body>
</html>
</pre>
<p style="text-align: center"> <img src="/static/imghw/default1.png" data-src="http://www.bkjia.com/uploads/allimg/160513/01110Q304-5.png" class="lazy" alt="" /></p>
<p>Submit the modified content for processing: <br />
</p>
<pre class='brush:php;toolbar:false;'>
<?php
$newsid=$_POST["newsid"];
$title=$_POST["title"];
$author=$_POST["author"];
$source=$_POST["source"];
$content=$_POST["content"];
$time=date("Y-m-d",time());
$db=new MySQLi("localhost","root","","mydb");
!mysqli_connect_error() or die("聯(lián)系失敗!");
$sql="update news set title='{$title}',author='{$author}',source='{$source}',content='{$content}',time='{$time}' where newsid='{$newsid}'";
$result=$db->query($sql);
if($result)
{
header ("location:Update.php");
}
else
{
echo "修改數(shù)據(jù)失敗!";
}
</pre>
<p>The above is the entire content of this article. I hope it will be helpful to everyone in learning PHP programming. </p>
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<a href="http://www.miracleart.cn/faq/1796836348.html" title="How to get the current session ID in PHP?" class="phphistorical_Version2_mids_img">
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<a href="http://www.miracleart.cn/faq/1796836348.html" title="How to get the current session ID in PHP?" class="phphistorical_Version2_mids_title">How to get the current session ID in PHP?</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 13, 2025 am 03:02 AM</span>
<p class="Articlelist_txts_p">The method to get the current session ID in PHP is to use the session_id() function, but you must call session_start() to successfully obtain it. 1. Call session_start() to start the session; 2. Use session_id() to read the session ID and output a string similar to abc123def456ghi789; 3. If the return is empty, check whether session_start() is missing, whether the user accesses for the first time, or whether the session is destroyed; 4. The session ID can be used for logging, security verification and cross-request communication, but security needs to be paid attention to. Make sure that the session is correctly enabled and the ID can be obtained successfully.</p>
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<a href="http://www.miracleart.cn/faq/1796836340.html" title="PHP get substring from a string" class="phphistorical_Version2_mids_img">
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<span id="377j5v51b" class="Articlelist_txts_time">Jul 13, 2025 am 02:59 AM</span>
<p class="Articlelist_txts_p">To extract substrings from PHP strings, you can use the substr() function, which is syntax substr(string$string,int$start,?int$length=null), and if the length is not specified, it will be intercepted to the end; when processing multi-byte characters such as Chinese, you should use the mb_substr() function to avoid garbled code; if you need to intercept the string according to a specific separator, you can use exploit() or combine strpos() and substr() to implement it, such as extracting file name extensions or domain names.</p>
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<span id="377j5v51b" class="Articlelist_txts_time">Jul 13, 2025 am 02:54 AM</span>
<p class="Articlelist_txts_p">UnittestinginPHPinvolvesverifyingindividualcodeunitslikefunctionsormethodstocatchbugsearlyandensurereliablerefactoring.1)SetupPHPUnitviaComposer,createatestdirectory,andconfigureautoloadandphpunit.xml.2)Writetestcasesfollowingthearrange-act-assertpat</p>
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<span id="377j5v51b" class="Articlelist_txts_time">Jul 13, 2025 am 02:59 AM</span>
<p class="Articlelist_txts_p">In PHP, the most common method is to split the string into an array using the exploit() function. This function divides the string into multiple parts through the specified delimiter and returns an array. The syntax is exploit(separator, string, limit), where separator is the separator, string is the original string, and limit is an optional parameter to control the maximum number of segments. For example $str="apple,banana,orange";$arr=explode(",",$str); The result is ["apple","bana</p>
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<span id="377j5v51b" class="Articlelist_txts_time">Jul 13, 2025 am 02:43 AM</span>
<p class="Articlelist_txts_p">JavaScript data types are divided into primitive types and reference types. Primitive types include string, number, boolean, null, undefined, and symbol. The values are immutable and copies are copied when assigning values, so they do not affect each other; reference types such as objects, arrays and functions store memory addresses, and variables pointing to the same object will affect each other. Typeof and instanceof can be used to determine types, but pay attention to the historical issues of typeofnull. Understanding these two types of differences can help write more stable and reliable code.</p>
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<span id="377j5v51b" class="Articlelist_txts_time">Jul 15, 2025 am 01:30 AM</span>
<p class="Articlelist_txts_p">std::chrono is used in C to process time, including obtaining the current time, measuring execution time, operation time point and duration, and formatting analysis time. 1. Use std::chrono::system_clock::now() to obtain the current time, which can be converted into a readable string, but the system clock may not be monotonous; 2. Use std::chrono::steady_clock to measure the execution time to ensure monotony, and convert it into milliseconds, seconds and other units through duration_cast; 3. Time point (time_point) and duration (duration) can be interoperable, but attention should be paid to unit compatibility and clock epoch (epoch)</p>
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<span id="377j5v51b" class="Articlelist_txts_time">Jul 13, 2025 am 02:39 AM</span>
<p class="Articlelist_txts_p">In PHP, to pass a session variable to another page, the key is to start the session correctly and use the same $_SESSION key name. 1. Before using session variables for each page, it must be called session_start() and placed in the front of the script; 2. Set session variables such as $_SESSION['username']='JohnDoe' on the first page; 3. After calling session_start() on another page, access the variables through the same key name; 4. Make sure that session_start() is called on each page, avoid outputting content in advance, and check that the session storage path on the server is writable; 5. Use ses</p>
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<a href="http://www.miracleart.cn/faq/1796836980.html" title="How does PHP handle Environment Variables?" class="phphistorical_Version2_mids_title">How does PHP handle Environment Variables?</a>
<span id="377j5v51b" class="Articlelist_txts_time">Jul 14, 2025 am 03:01 AM</span>
<p class="Articlelist_txts_p">ToaccessenvironmentvariablesinPHP,usegetenv()orthe$_ENVsuperglobal.1.getenv('VAR_NAME')retrievesaspecificvariable.2.$_ENV['VAR_NAME']accessesvariablesifvariables_orderinphp.iniincludes"E".SetvariablesviaCLIwithVAR=valuephpscript.php,inApach</p>
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