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index_map.jsp中的代碼:
復(fù)制代碼 代碼如下:
<%@ page language="Java" pageEncoding="utf-8"%>
<%@ page contentType="text/html;charset=utf-8"%>
<%
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html; charset=utf-8");
%>
<html>
<head>
</head>
<body>
<form action="insert_map.jsp" method="post">
ID :<input type = "text" name="id" value="0"/>
名稱 :<input type = "text" name="name" value="aaa"/> </br>
電壓等級(jí) :<input type = "text" name="voltage_level" value="110kv"/>
經(jīng)度 :<input type = "text" name="lon" value="121."/>
緯度 :<input type = "text" name="lat" value="28."/>
</br>
<input type = "submit" value="提交"/>
</form>
</body>
</html>
insert_map.jsp的代碼:
復(fù)制代碼 代碼如下:
<%@ page language="Java" import="Java.util.*,Java.sql.*" pageEncoding="utf-8"%>
<%@ page contentType="text/html;charset=utf-8"%>
<%
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html; charset=utf-8");
%>
<HTML>
<HEAD>
<TITLE>add message into table </TITLE>
</HEAD>
<BODY>
<%
String id=request.getParameter("id"); //從表單獲得
String name=request.getParameter("name"); //從表單獲得
String voltage_level=request.getParameter("voltage_level"); //從表單獲得
String lon=request.getParameter("lon"); //從表單獲得
String lat=request.getParameter("lat"); //從表單獲得
Java.util.Date date=new Java.util.Date();
String datetime=new Timestamp(date.getTime()).toString();
try
{
/** 連接數(shù)據(jù)庫(kù)參數(shù) **/
String driverName = "com.mysql.jdbc.Driver"; //驅(qū)動(dòng)名稱
String DBUser = "root"; //mysql用戶名
String DBPasswd = "123456"; //mysql密碼
String DBName = "map_db"; //數(shù)據(jù)庫(kù)名
String connUrl = "jdbc:mysql://localhost/" + DBName + "?user=" + DBUser + "&password=" + DBPasswd;
Class.forName(driverName).newInstance();
Connection conn = DriverManager.getConnection(connUrl);
Statement stmt = conn.createStatement();
stmt.executeQuery("SET NAMES UTF8");
String insert_sql = "INSERT INTO biandianzhan_point_tb VALUES('" + id + "','" + name + "','" + voltage_level + "',GeometryFromText('POINT (" + lon + " " + lat + ")') )";
String query_sql = "select * from biandianzhan_point_tb";
try {
stmt.execute(insert_sql);
}catch(Exception e) {
e.printStackTrace();
}
try {
ResultSet rs = stmt.executeQuery(query_sql);
while(rs.next()) {
%>
ID:<%=rs.getString("id")%> </br>
名稱:<%=rs.getString("name")%> </br>
電壓等級(jí):<%=rs.getString("voltage_level")%> </br>
經(jīng)緯度:<%=rs.getString("the_geom")%> </br> </br>
<%
}
}catch(Exception e) {
e.printStackTrace();
}
//rs.close();
stmt.close();
conn.close();
}catch (Exception e) {
e.printStackTrace();
}
%>
</body>
</html>
訪問index_map.jsp:
提交前數(shù)據(jù)庫(kù)的值:
輸入測(cè)試值并提交,得到如下頁(yè)面:
數(shù)據(jù)庫(kù)的變化如下:
可以看出,在上面的提交后的頁(yè)面上經(jīng)緯度是亂碼的,原因是the_geom的數(shù)據(jù)類型是POINT類型,是幾何數(shù)據(jù)類geometry類中的一個(gè)子類,有特定的格式,可能這種特定的格式?jīng)]能被瀏覽器識(shí)別。我正在考慮的解決方案是將the_geom數(shù)據(jù)進(jìn)行剝離,得到兩個(gè)數(shù)值及經(jīng)緯度。不過可能沒這個(gè)必要,因?yàn)闆]必要顯示這兩個(gè)值。
總的來說,大功告成了一半吧,呵呵,今天收獲很大?。『荛_心!
jsp技術(shù):jsp連接MySQL操作GIS地圖數(shù)據(jù)實(shí)現(xiàn)添加point的功能代碼,轉(zhuǎn)載需保留來源!
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