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jsp实现textarea中的文字保存换行空格存到数据库的方法--编程学习网

发布时间:2018-08-28 10:09:18   来源:   浏览次数:

UploadNews.jsp

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<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>上传新闻title>
<SCRIPT LANGUAGE="JavaScript">
function upload(){
document.getElementById("article").value = document
.getElementById("content").value;
document.getElementById("formid").submit();
}
SCRIPT>
head>
<body>
<form method="post" action="ShangchuanNews.jsp" id="formid">
<table border="0" align="center">
<tr>
<td>title      <input type="text"
name="title" value="a" size="40">
td>
tr>
<tr>
<td>author  <input type="text" name="author"
size="40">
td>
tr>
<tr>
<td><input type="hidden" id="article"
name="articleName" />td>
tr>
<tr>
<td>date(xxxx.xx.xx)<input type="text" name="date" size="40">
td>
tr>
<tr>
<td><div align="center">
<input type="button" value="submit" class="btn2" onclick = "upload();" />
div>td>
tr>
<tr>
<td><textarea rows="30" cols="80" id="content">textarea>td>
tr>
table>
form>
body>
html>

换行函数在ShangchuanNews.jsp 代码如下

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<%@page import="java.io.PrintWriter"%>
<%@page import="java.net.URLDecoder"%>
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8" %>
<%@ page import="java.sql.*" %>
http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; utf-8">
<title>上传新闻title>
head>
<body>
<%! // 字符处理函数 换行符变成<br>
public String turn(String str) {
while (str.indexOf("\n") != -1) {
str = str.substring(0, str.indexOf("\n")) + "<br>"
+ str.substring(str.indexOf("\n") + 1);
}
while (str.indexOf(" ") != -1) {
str = str.substring(0, str.indexOf(" ")) + " "
+ str.substring(str.indexOf(" ") + 1);
}
return str;
}
%>
<%
try {
request.setCharacterEncoding("utf-8");
String title = request.getParameter("title");
String author = request.getParameter("author");
String article = request.getParameter("articleName");
String articlebr = turn(article);
String date = request.getParameter("date");
String driverClass="com.mysql.jdbc.Driver";
String url = "jdbc:mysql://****.****/****?characterEncoding=utf8";//存到数据库不会乱码
String user="***";
String password="****";
Connection conn;
int i=0;
Class.forName(driverClass).newInstance();
conn = DriverManager.getConnection(url,user,password);
String sql = "insert into news (id,title,author,article,date) "
+ "values(?,?,?,?,?)";
Connection conn1 = DriverManager.getConnection(url, user, password);
PreparedStatement pstmt;
pstmt = (PreparedStatement) conn1.prepareStatement(sql);
pstmt.setString(1, null);
pstmt.setString(2, title);
pstmt.setString(3, author);
pstmt.setString(4, articlebr);
pstmt.setString(5, date);
i = pstmt.executeUpdate();
conn1.close();
pstmt.close();
out.println("<br>上传成功");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
%>
body>
html>

以上这篇jsp实现textarea中的文字保存换行空格存到数据库的方法就是小编分享给大家的全部内容了


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