我是php新手。我有一个网络表格。我在其中使用textarea。我有另一个PHP页面，我从db显示数据并应用CRUD操作。现在这是我点击编辑按钮时我的所有表单数据已从db中获取但问题的textarea文本格式已更改的问题。它显示\r\r\r\n我使用nl2br但它不起作用。我希望以相同的格式显示我的数据。
<textarea rows="20" cols="100" id="text" name="text" style="font-size:14px;" > <?php echo !empty(nl2br($text))?(nl2br($text)):'';?> </textarea><td>
我的完整页码是
<?php
require 'database.php';
$id = null;
if ( !empty($_GET['id'])) {
$id = $_REQUEST['id'];
}
if ( null==$id ) {
header("Location: index.php");
}
if ( !empty($_POST)) {
// keep track post values
$file_name = $_POST['file_name'];
$ref_no = $_POST['ref_no'];
$to_name = $_POST['to_name'];
$confidential = $_POST['confidential'];
$designation = $_POST['designation'];
$date = $_POST['date'];
$solutation = $_POST['solutation'];
$entity = $_POST['entity'];
$add_1 = $_POST['add_1'];
$thank_you = $_POST['thank_you'];
$add_2 = $_POST['add_2'];
$yours_truly = $_POST['yours_truly'];
$add_3 = $_POST['add_3'];
$sign_name = $_POST['sign_name'];
$city = $_POST['city'];
$s_designation = $_POST['s_designation'];
$heading_line_1 = $_POST['heading_line_1'];
$encl_line_1 = $_POST['encl_line_1'];
$heading_line_2 = $_POST['heading_line_2'];
$encl_line_2 = $_POST['encl_line_2'];
$heading_line_3 = $_POST['heading_line_3'];
$encl_line_3 = $_POST['encl_line_3'];
$text = mysql_real_escape_string( $_POST['text'] );
// update data
$valid = true;
if ($valid) {
$pdo = Database::connect();
// $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$sql = "UPDATE test set file_name ='$file_name', ref_no ='$ref_no', to_name ='$to_name',
confidential ='$confidential', designation = '$designation', date ='$date',
solutation ='$solutation', entity ='$entity', add_1 ='$add_1',
thank_you ='$thank_you', add_2 ='$add_2', yours_truly ='$yours_truly',
add_3 ='$add_3', sign_name ='$sign_name', city ='$city',
s_designation ='$s_designation', heading_line_1 ='$heading_line_1', encl_line_1 ='$encl_line_1',
heading_line_2 ='$heading_line_2', encl_line_2 ='$encl_line_2', heading_line_3 ='$heading_line_3',
encl_line_3 ='$encl_line_3', text ='$text' WHERE id ='$id'";
$q = $pdo->prepare($sql);
$q->execute(array($file_name,$ref_no,$to_name,$confidential,$designation,$date,$solutation,$entity,$add_1,
$thank_you,$add_2,$yours_truly,$add_3,$sign_name,$city,$s_designation,$heading_line_1,$encl_line_1,$heading_line_2,
$encl_line_2,$heading_line_3,$encl_line_3,$id));
Database::disconnect();
header("Location: index.php");
}
else {
}
}
$con=mysqli_connect("localhost","MY_LOGIN","MY_PASSWORD","MY_DATABASE");
$id2 = $_GET['id'];
$sql = "SELECT * FROM test where id='$id2'";
$result=mysqli_query($con,$sql);
$row= (mysqli_fetch_array($result,MYSQLI_ASSOC));
$file_name = $row['file_name'];
$ref_no = $row['ref_no'];
$to_name = $row['to_name'];
$confidential = $row['confidential'];
$designation = $row['designation'];
$date = $row['date'];
$solutation = $row['solutation'];
$entity = $row['entity'];
$add_1 = $row['add_1'];
$thank_you = $row['thank_you'];
$add_2 = $row['add_2'];
$yours_truly = $row['yours_truly'];
$add_3 = $row['add_3'];
$sign_name = $row['sign_name'];
$city = $row['city'];
$s_designation = $row['s_designation'];
$heading_line_1 = $row['heading_line_1'];
$encl_line_1 = $row['encl_line_1'];
$heading_line_2 = $row['heading_line_2'];
$encl_line_2 = $row['encl_line_2'];
$heading_line_3 = $row['heading_line_3'];
$encl_line_3 = $row['encl_line_3'];
$text = mysql_real_escape_string( $row['text'] );
?>
<!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>Untitled Document</title>
<link rel="stylesheet" type="text/css" href="newstyles.css">
<script src="js/bootstrap.min.js"></script>
<script>
function show_confirm(){
return confirm("Copy is being created....");
window.location.href='index.php';
}
</script>
<link rel="stylesheet" href="//code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
<script src="//code.jquery.com/jquery-1.10.2.js"></script>
<script src="//code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
<script>
$(document).ready(function() {
$("#date").datepicker({
dateFormat: "yy-mm-dd"
}).datepicker();
});
</script>
</head>
<body>
<form action="edit4.php?id=<?php echo $id; ?>" method="POST" >
<table border="0" class="DivTableBorder" width="840px">
<tr>
<td class="DivSubHeaderCellTop" colspan="6">Letters</td>
</tr> <tr> </td> </tr>
<tr>
<td class="DivCellText" width="80px">File Name </td>
<td class="DivCellText" width="480px" colspan="3"><input name="file_name" type="text" id="file_name"
value="<?php echo !empty($file_name)?$file_name:'';?>" class="inputRemarks" />
</td>
<td class="DivCellText" width="80px">Referance #</td>
<td class="DivCellText" width="200px"><input name="ref_no" type="text" id="ref_no"
value="<?php echo !empty($ref_no)?$ref_no:'';?>" class="inputRemarks" />
</td> </tr>
<tr ><td bgcolor="#999999" colspan="4"></td>
<td class="DivCellText" width="80px"></td>
<td class="DivCellText" width="200px"></td>
</tr>
<tr>
<td class="DivCellText" width="80px">To - Name</td>
<td class="DivCellText" colspan="3"><input name="to_name" type="text" id="to_name"
value="<?php echo !empty($to_name)?$to_name:'';?>" class="inputRemarks" />
</td>
<td class="DivCellText" width="80px">Confidential</td>
<td class="DivCellText" width="200px">
<?php if($confidential == "on"){ ?>
<input name="confidential" type="checkbox" checked="checked" id="confidential" value="on" />
<?php }else{ ?>
<input name="confidential" type="checkbox" id="confidential" value="on" />
<?php } ?>
</td> </tr>
<tr>
<td class="DivCellText" width="80px"> Designation</td>
<td class="DivCellText" colspan="3"><input name="designation" type="text" id="designation"
value="<?php echo !empty($designation)?$designation:'';?>" class="inputRemarks" />
</td>
<td class="DivCellText" width="80px">Date :</td>
<td class="DivCellText" width="200px">
<input name="date" type="text" id="date" value="<?php echo $date; ?>" />
</td> </tr>
<tr>
<td class="DivCellText" > </td>
<td class="DivCellText" colspan="3"> </td>
<td class="DivCellText" width="80px">Solutation</td>
<td class="DivCellText" width="200px" >
<select name='solutation' id='solutation' size='1' STYLE='width: 95%' value="<?php echo !empty($solutation)?$solutation:'';?>" >
<option value='Others' >[--Others--]</option>
<option value='Dear Sir' >Dear Sir</option>
<option value='Madam' >Madam</option>
</select>
</td> </tr>
<tr>
<td class="DivCellText" width="80px"> Entity</td>
<td class="DivCellText" colspan="3"><input name="entity" type="text" id="entity"
value="<?php echo !empty($entity)?$entity:'';?>" class="inputRemarks" />
</td>
<td class="DivCellText" width="80px"> </td>
<td class="DivCellText" width="200px" >
<input name="txtSolutation" type="text" id="txtSolutation"
value="" class="inputRemarks" />
</td> </tr>
<tr>
<td class="DivCellText" width="80px"> Add-1</td>
<td class="DivCellText" colspan="3"><input name="add_1" type="text" id="add_1"
value="<?php echo !empty($add_1)?$add_1:'';?>" class="inputRemarks" />
</td>
<td class="DivCellText" width="80px">Thank You.</td>
<td class="DivCellText" width="200px" ><input name="thank_you" type="text" id="thank_you"
value="<?php echo !empty($thank_you)?$thank_you:'';?>" class="inputRemarks" />
</td>
</tr>
<tr>
<td class="DivCellText" width="80px"> Add-2</td>
<td class="DivCellText" colspan="3"><input name="add_2" type="text" id="add_2"
value="<?php echo !empty($add_2)?$add_2:'';?>" class="inputRemarks" />
</td>
<td class="DivCellText" width="80px">Yours truly</td>
<td class="DivCellText" width="200px" >
<select name='yours_truly' id='yours_truly' size='1' STYLE='width: 95%' value="<?php echo !empty($yours_truly)?$yours_truly:'';?>" >
<option value='1' >Yours truly</option>
<option value='2' >Regards</option>
</select>
</td> </tr>
<tr>
<td class="DivCellText" width="80px"> Add-3</td>
<td class="DivCellText" colspan="3"><input name="add_3" type="text" id="add_3"
value="<?php echo !empty($add_3)?$add_3:'';?>" class="inputRemarks" />
</td>
<td class="DivCellText" width="80px">Signature-Name</td>
<td class="DivCellText" width="200px" >
<select name='sign_name' id='sign_name' size='1' style='width:95%' value="<?php echo !empty($sign_name)?$sign_name:'';?>">
<option value='1' >Adnan Afaq</option>
<option value='2' >Muhammad Shahzad Saleem</option>
<option value='3' >Adnan Dilawar</option>
<option value='4' >Rana Muhammad Nadeem</option>
<option value='5' >Jhangeer Hanif</option>
</select>
</td> </tr>
<tr>
<td class="DivCellText" width="80px"> City</td>
<td class="DivCellText" colspan="3"><input name="city" type="text" id="city"
value="<?php echo !empty($city)?$city:'';?>" class="inputRemarks" />
</td>
<td class="DivCellText" width="80px">S-Designation</td>
<td class="DivCellText" width="200px">
<select name='s_designation' id='s_designation' size='1' STYLE='width: 95%' value="<?php echo !empty($s_designation)?$s_designation:'';?>" >
<option value='1' >Managing Director</option>
<option value='2' >Chief Operating Officer</option>
<option value='3' >Manager Ratings</option>
<option value='4' >Unit Head Ratings</option>
</select>
</td>
</tr>
<tr>
<td class="DivCellText" width="80px">Heading Line-1</td>
<td class="DivCellText" width="480px" colspan="3"><input name="heading_line_1" type="text" id="heading_line_1"
value="<?php echo !empty($heading_line_1)?$heading_line_1:'';?>" class="inputRemarks" maxlength="55"/>
</td>
<td class="DivCellText" width="80px">Encl: Line-1</td>
<td class="DivCellText" width="200px" >
<input name="encl_line_1" type="text" id="encl_line_1" value="<?php echo !empty($encl_line_1)?$encl_line_1:'';?>" class="inputRemarks" />
</td>
</tr>
<tr>
<td class="DivCellText" width="80px">Heading Line-2</td>
<td class="DivCellText" width="480px" colspan="3"><input name="heading_line_2" type="text" id="heading_line_2"
value="<?php echo !empty($heading_line_2)?$heading_line_2:'';?>" class="inputRemarks" maxlength="55" />
</td>
<td class="DivCellText" width="80px"> Line-2</td>
<td class="DivCellText" width="200px" >
<input name="encl_line_2" type="text" id="encl_line_2" value="<?php echo !empty($encl_line_2)?$encl_line_2:'';?>" class="inputRemarks" />
</tr>
<tr>
<td class="DivCellText" width="80px">Heading Line-3</td>
<td class="DivCellText" width="480px" colspan="3"><input name="heading_line_3" type="text" id="heading_line_3"
value="<?php echo !empty($heading_line_3)?$heading_line_3:'';?>" class="inputRemarks" maxlength="55" />
</td>
<td class="DivCellText" width="80px"> Line-3</td>
<td class="DivCellText" width="200px">
<input name="encl_line_3" type="text" id="encl_line_3" value="<?php echo !empty($encl_line_3)?$encl_line_3:'';?>" class="inputRemarks" />
</td>
</tr>
<tr ><td bgcolor="#999999" colspan="6"></td></tr>
<tr ><td colspan="6">
<table border="0" class="DivTableBorder" width="840px">
<tr>
<td class="DivCellText" colspan="4">
<textarea rows="20" cols="100" id="text" name="text" style="font-size:14px;" > <?php echo !empty(nl2br($text))?(nl2br($text)):'';?> </textarea><td>
</tr>
<tr>
<td width="100"><input type="submit" name="submit" value="Create Copy" onclick="return show_confirm();" class="blueButton"></input></td>
<td width="100"><input type="reset" name="reset" value="Cancel" class="blueButton" /> </td>
<td width="100">
<input type="submit" name="submit" value="Save" class="blueButton"></input>
</td>
<td width="303"> <input type="submit" name="submit" value="Update" class="blueButton"> </input> </td>
<td width="209">
<a class="btn" href="index.php">Back</a> </td>
</tr>
</table>
</form>
<?php
$_POST['submit']="";
if($_POST['submit'] == "Create Copy"){
$connection = mysql_connect("localhost", "root", ""); // Establishing Connection with Server
$db = mysql_select_db("pacra1", $connection); // Selecting Database from Server
if(isset($_POST['submit'])){ // Fetching variables of the form which travels in URL
$file_name = $_POST['file_name'];
$ref_no = $_POST['ref_no'];
$to_name = $_POST['to_name'];
$confidential = $_POST['confidential'];
$designation = $_POST['designation'];
$date = $_POST['date'];
$solutation = $_POST['solutation'];
$entity = $_POST['entity'];
$add_1 = $_POST['add_1'];
$thank_you = $_POST['thank_you'];
$add_2 = $_POST['add_2'];
$yours_truly = $_POST['yours_truly'];
$add_3 = $_POST['add_3'];
$sign_name = $_POST['sign_name'];
$city = $_POST['city'];
$s_designation = $_POST['s_designation'];
$heading_line_1 = $_POST['heading_line_1'];
$encl_line_1 = $_POST['encl_line_1'];
$heading_line_2 = $_POST['heading_line_2'];
$encl_line_2 = $_POST['encl_line_2'];
$heading_line_3 = $_POST['heading_line_3'];
$encl_line_3 = $_POST['encl_line_3'];
$text = mysql_real_escape_string( $_POST['text'] );
//$txtTitle = mysql_real_escape_string( $_POST['txtTitle'] );
//$txtRational = $_POST['txtRational'];
//Insert Query of SQL
$query = mysql_query("INSERT INTO test(file_name, ref_no, to_name, confidential, designation, date, solutation, entity, add_1, thank_you, add_2, yours_truly, add_3, sign_name, city, s_designation, heading_line_1, encl_line_1, heading_line_2, encl_line_2, heading_line_3, encl_line_3, text)
values
('$file_name', '$ref_no', '$to_name', '$confidential', '$designation', '$date', '$solutation', '$entity', '$add_1', '$thank_you', '$add_2', '$yours_truly', '$add_3', '$sign_name', '$city', '$s_designation', '$heading_line_1', '$encl_line_1', '$heading_line_2', '$encl_line_2', '$heading_line_3', '$encl_line_3', '$text')");
echo "<br/><br/><span>Data Inserted successfully...!!</span>";
}
else{
echo "<p>Insertion Failed <br/> Some Fields are Blank....!!</p>";
}
//mysql_close($connection); // Closing Connection with Server
}
?>
</body>
</html>
答案 0 :(得分：0)
您应该更改您的php echo代码，因为您不需要包含！empty验证。如果这样做，则必须在回显文本框之前创建它。我建议你改变你的代码：
<textarea rows="20" cols="100" id="text" name="text" style="font-size:14px;" > <?php echo nl2br($text);?> </textarea><td>
您还可以在这里找到nl2br的一些文档：
答案 1 :(得分：0)
插入数据库后，应用nl2br - 因为您可能会将这些数据作为文本显示在页面上而不是文本区域。
$mysql->real_escape_string(trim(nl2br($_POST['text'])))
其中$mysql是mysqli数据库连接
免责声明正如Bartdude所说，这不是特别好的做法，因为数据库中的信息应该尽可能没有标签 - 但是，如果这些数据仅用于HTML页面，那么这个解决方案应该可行。
然后在将数据返回到textarea时，只需删除<br>标记，无论如何都会出现换行符，并且应该由浏览器正确解释。
str_replace("<br>", " ", $row['text'])