String name = new String(request.getParameter("name"));
2.鏁版嵁搴撹繛鎺ワ細(xì)
~~MYSQL
//璁劇疆鏁版嵁搴撶殑URL
String url = "jdbc:mysql://localhost:3306/jspsky";
try
//鍔犺澆椹卞姩紼嬪簭
Class.forname("org.gjt.mm.mysql.Driver").newInstance();
//寤虹珛榪炴帴
java.sql.Connection connection = java.sql.DriverManager.getConnection(url);
java.sql.Statement statement = connection.createStatement();
//SQL璇彞
String sqlStringi ="insert into commu(name,tel,mobile,oicq,email)values(鈥?+name+"',鈥?+tel+"',鈥?+mobile+"',鈥?+oicq+"',鈥?+email+"')";
//榪愯SQL璇彞錛屽茍寤虹珛緇撴灉闆?
java.sql.ResultSet rsi = statement.executeQuery(sqlStringi);
//鍦ㄥ睆騫曚笂杈撳嚭搴撲腑鐨勫唴瀹?
while(rss.next())
{
String a_name = rss.getString(1);
out.println(a_name);
{}
//鍏抽棴榪炴帴
connection.close();
}
//鎹曟崏寮傚父
catch(java.sql.SQLException e)
out.println(e.getMessage());
{}
catch(ClassNotFoundException e)
out.println(e.getMessage());
{}
~~DB2
//瀹氫箟鏁版嵁搴撶殑URL
String url = "jdbc:db2:portal";
try
//鍔犺澆椹卞姩紼嬪簭
Class.forName("COM.ibm.db2.jdbc.app.DB2Driver");
//寤虹珛榪炴帴錛?
java.sql.Connection connection = java.sql.DriverManager.getConnection(url,"user","password");
java.sql.Statement statement = connection.createStatement();
//SQL璇彞
String sqlString = "select * from client";
//鎵цSQL璇彞
java.sql.ResultSet rs = statement.executeQuery(sqlString);
//鍦ㄥ睆騫曚笂鏄劇ず鎵榪炶〃涓殑鍐呭
while(rs.next())
{
String name = rs.getString(1);
out.println(name);
{}
//鍏抽棴榪炴帴
connection.close();
}
//鎹曟崏寮傚父
catch(java.sql.SQLException e)
out.println(e.getMessage());
{}
catch(ClassNotFoundException e)
out.println(e.getMessage());
{}
3.鏂囦歡鎿嶄綔
~~灝嗕竴涓瓧絎︿覆鍐欏埌涓涓寚瀹氱殑鏂囦歡涓紝濡傛灉璇ユ枃浠朵笉瀛樺湪錛屽垯鏂板緩涓涓枃浠訛紝騫跺畬鎴愬啓鍏ワ紱濡傛灉瀛樺湪錛屽垯鐢ㄦ瀛楃涓茶鐩栧師鏂囦歡鐨勬墍鏈夊唴瀹?
import java.io.*;
String str = "print me 闆嘲!";
//瀹氫箟濂芥墦鍗扮殑鐩爣鏂囦歡鍚?
//鍙栧緱褰撳墠涓繪満瀛樻斁W(wǎng)EB欏甸潰鐨勭粷瀵硅礬寰?
String hostdir = System.getProperty("user.dir");
//鍙栧緱褰撳墠涓繪満鎵閲囩敤鐨勮礬寰勫垎闅旂
String fileBar = System.getProperty("file.separator");
//涔﹀啓瀹屾暣鐨勭洰鏍囨枃浠跺瓨鏀捐礬寰?
String nameOfFile=hostdir+fileBar+"test.html";
try
//瀹炰緥鍖栦竴涓枃浠惰緭鍑烘祦瀵硅薄
FileOutputStream afile = new FileOutputStream(nameOfFile);
//灝嗘枃浠惰緭鍑烘祦錛屽垱寤轟竴涓墦鍗拌緭鍑烘祦瀵硅薄
PrintWriter pw = new PrintWriter(afile);
pw.println(str);
//clean up
pw.close();
{}
catch(IOException e)
out.println(e.getMessage());
{}
~~鍒楀嚭鎸囧畾鐩綍涓嬬殑鏂囦歡鍒楄〃
import java.io.*;
String cdur = System.getProperty("user.dir");
String fileBar = System.getProperty("file.separator");
String mydir =cdur+fileBar+"doc"+fileBar+"jspsky";
File my = new File(mydir);
String d[] = my.list();
int i;
int l=d.length;
for(i=0;i out.print(d);
{}
4.璁℃暟鍣?
Integer count = null;
synchronized (application)
count =(Integer) application.getAttribute("d");
if (count ==null)
count =new Integer("0");
count = new Integer(count.intValue()+1);
application.setAttribute("d",count);
{}
out.println(count);
// 棣栧厛瀹氫箟涓涓暣褰㈠璞★紝騫跺垵濮嬪寲涓猴細(xì)NULL錛?
// 鍙栧洖APPLICATION瀵瑰儚鐨勫睘鎬鐨勫鹼紝騫跺己鍒惰漿鍖栦負(fù)鏁村艦瀵硅薄錛岃祴緇機(jī)OUNT
// 鍒ゆ柇COUNT鏄惁涓虹┖錛屼負(fù)絀烘椂錛屽皢O璧嬬粰C(jī)OUNT瀵硅薄錛?
// 鍚﹀垯錛岄氳繃COUNT銆侷NTVALUE錛堬級(jí)鏂規(guī)硶錛屽疄鐜癈OUNT瀵硅薄鍔?錛屽茍璧嬪肩粰C(jī)OUNT
// 鏈鍚庯紝灝咰OUNT瀵硅薄淇濆瓨鍦ˋPPLICATION瀵硅薄鐨凞鍙橀噺涓?/font>
]]>
public
聽(tīng)
class
聽(tīng)change聽(tīng)
{
聽(tīng)聽(tīng)聽(tīng)聽(tīng)
public
聽(tīng)
static
聽(tīng)
void
聽(tīng)main(String[]聽(tīng)args)聽(tīng)
{
聽(tīng)聽(tīng)聽(tīng)聽(tīng)String聽(tīng)QJstr
=
"
鍏ㄨ杞崐瑙掞激錛★集
"
;聽(tīng)聽(tīng)聽(tīng)聽(tīng)String聽(tīng)result
=
SBCchange(QJstr);聽(tīng)聽(tīng)聽(tīng)聽(tīng)System.out.println(QJstr
+
"
\n
"
+
result);
聽(tīng)}
聽(tīng)聽(tīng)
public
聽(tīng)
static
聽(tīng)
final
聽(tīng)String聽(tīng)SBCchange(String聽(tīng)QJstr)
{聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)String聽(tīng)outStr
=
""
;聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)String聽(tīng)Tstr
=
""
;聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)
byte
[]聽(tīng)b
=
null
;聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)
for
(
int
聽(tīng)i
=
0
;i
{聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)
try
{聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)Tstr
=
QJstr.substring(i,i
+
1
);聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)b
=
Tstr.getBytes(
"
unicode
"
);聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)
catch
(java.io.UnsupportedEncodingException聽(tīng)e)
{聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)e.printStackTrace();聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)
if
聽(tīng)(b[
3
]
==-
1
)
{聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)b[
2
]
=
(
byte
)(b[
2
]
+
32
);聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)b[
3
]
=
0
;聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)
try
{聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)outStr
=
outStr
+
new
聽(tīng)String(b,
"
unicode
"
);聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)
catch
(java.io.UnsupportedEncodingException聽(tīng)e)
{聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)e.printStackTrace();聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)
else
聽(tīng)outStr
=
outStr
+
Tstr;聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)}
聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)聽(tīng)
return
聽(tīng)outStr;聽(tīng)聽(tīng)聽(tīng)}
聽(tīng)}
]]>