<html> | |
<head> | |
<meta http-equiv="Content-Type" content="text/html; charset=BIG5"> | |
<title>第一支javaScript</title> | |
</head> | |
<body> | |
<form action="#" method="post" class="demoForm" id="demoForm"> | |
<fieldset> | |
<legend>Demo: Get Value of Selected</legend> | |
<p>Select a shipping method:</p> | |
<p> | |
<label><input type="radio" name="ship" value="a" checked /> a)Standard Ground</label> | |
<label><input type="radio" name="ship" value="b" />b) Second Day</label> | |
<label><input type="radio" name="ship" value="c" /> c)Overnight</label> | |
<label><input type="radio" name="ship" value="d" /> d)Pick up</label> | |
</p> | |
<p><button type="button" name="getVal">Get Value of Selected</button></p> | |
</fieldset> | |
</form> | |
</Script> | |
<script type="text/javascript"> | |
// to remove from global namespace | |
(function() { | |
function getRadioVal(form, name) { | |
var val; | |
var radios = form.elements[name]; | |
for (var i=0, len=radios.length; i<len; i++) { | |
if ( radios[i].checked ) { | |
val = radios[i].value; | |
break; | |
} | |
} | |
return val; | |
} | |
document.forms['demoForm'].elements['getVal'].onclick = function() { | |
alert( 'The selected radio button\'s value is: ' + getRadioVal(this.form, 'ship') ); | |
}; | |
// disable submission of all forms on this page | |
for (var i=0, len=document.forms.length; i<len; i++) { | |
document.forms[i].onsubmit = function() { return false; }; | |
} | |
}()); | |
</script> | |
</body> | |
</html> |
2016年4月29日 星期五
網頁試題
2016年4月22日 星期五
亂碼
下載XAMPP並開啟
使用 PHP 語言寫程式,最簡單的方式就是開啟文字編輯器 (text editor) ,然後將原始程式碼逐字元一個一個打進文字編輯器中,然後依純文字檔案的編碼儲存檔案, PHP 程式的原始碼檔案採用 .php 的副檔名。
將改好的檔案放到C:\xampp\htdocs\dashboard
編輯php.ini將UTF-8改成Big5
輸入ipconfig找出IP位址
在網頁輸入192.168.1.171/dashboard/demo.php
得此結果
2016年4月15日 星期五
第一支Android app程式教學
網址:http://readandplay.pixnet.net/blog/post/140001110-%E7%AC%AC%E4%B8%80%E6%94%AFandroid-app%E7%A8%8B%E5%BC%8F%E6%95%99%E5%AD%B8
2016年3月25日 星期五
2016年3月18日 星期五
eclipse連接到mysql
http://blog.yslifes.com/archives/918 <-這個網址 按照步驟做
package db;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class jdbcmysql {
private Connection con = null; //Database objects
//連接object
private Statement stat = null;
//執行,傳入之sql為完整字串
private ResultSet rs = null;
//結果集
private PreparedStatement pst = null;
//執行,傳入之sql為預儲之字申,需要傳入變數之位置
//先利用?來做標示
private String dropdbSQL = "DROP TABLE User ";
private String createdbSQL = "CREATE TABLE User (" +
" id INTEGER " +
" , name VARCHAR(20) " +
" , passwd VARCHAR(20))";
private String insertdbSQL = "insert into User(id,name,passwd) " +
"select ifNULL(max(id),0)+1,?,? FROM User";
private String selectSQL = "select * from User ";
public jdbcmysql()
{
try {
Class.forName("com.mysql.jdbc.Driver");
//註冊driver
con = DriverManager.getConnection(
"jdbc:mysql://localhost/test?useUnicode=true&characterEncoding=Big5",
"","");
//取得connection
//jdbc:mysql://localhost/test?useUnicode=true&characterEncoding=Big5
//localhost是主機名,test是database名
//useUnicode=true&characterEncoding=Big5使用的編碼
}
catch(ClassNotFoundException e)
{
System.out.println("DriverClassNotFound :"+e.toString());
}//有可能會產生sqlexception
catch(SQLException x) {
System.out.println("Exception :"+x.toString());
}
}
//建立table的方式
//可以看看Statement的使用方式
public void createTable()
{
try
{
stat = con.createStatement();
stat.executeUpdate(createdbSQL);
}
catch(SQLException e)
{
System.out.println("CreateDB Exception :" + e.toString());
}
finally
{
Close();
}
}
//新增資料
//可以看看PrepareStatement的使用方式
public void insertTable( String name,String passwd)
{
try
{
pst = con.prepareStatement(insertdbSQL);
pst.setString(1, name);
pst.setString(2, passwd);
pst.executeUpdate();
}
catch(SQLException e)
{
System.out.println("InsertDB Exception :" + e.toString());
}
finally
{
Close();
}
}
//刪除Table,
//跟建立table很像
public void dropTable()
{
try
{
stat = con.createStatement();
stat.executeUpdate(dropdbSQL);
}
catch(SQLException e)
{
System.out.println("DropDB Exception :" + e.toString());
}
finally
{
Close();
}
}
//查詢資料
//可以看看回傳結果集及取得資料方式
public void SelectTable()
{
try
{
stat = con.createStatement();
rs = stat.executeQuery(selectSQL);
System.out.println("ID\t\tName\t\tPASSWORD");
while(rs.next())
{
System.out.println(rs.getInt("id")+"\t\t"+
rs.getString("name")+"\t\t"+rs.getString("passwd"));
}
}
catch(SQLException e)
{
System.out.println("DropDB Exception :" + e.toString());
}
finally
{
Close();
}
}
//完整使用完資料庫後,記得要關閉所有Object
//否則在等待Timeout時,可能會有Connection poor的狀況
private void Close()
{
try
{
if(rs!=null)
{
rs.close();
rs = null;
}
if(stat!=null)
{
stat.close();
stat = null;
}
if(pst!=null)
{
pst.close();
pst = null;
}
}
catch(SQLException e)
{
System.out.println("Close Exception :" + e.toString());
}
}
public static void main(String[] args)
{
//測看看是否正常
jdbcmysql test = new jdbcmysql();
test.dropTable();
test.createTable();
test.insertTable("yku", "12356");
test.insertTable("yku2", "7890");
test.SelectTable();
}
}
package db;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class jdbcmysql {
private Connection con = null; //Database objects
//連接object
private Statement stat = null;
//執行,傳入之sql為完整字串
private ResultSet rs = null;
//結果集
private PreparedStatement pst = null;
//執行,傳入之sql為預儲之字申,需要傳入變數之位置
//先利用?來做標示
private String dropdbSQL = "DROP TABLE User ";
private String createdbSQL = "CREATE TABLE User (" +
" id INTEGER " +
" , name VARCHAR(20) " +
" , passwd VARCHAR(20))";
private String insertdbSQL = "insert into User(id,name,passwd) " +
"select ifNULL(max(id),0)+1,?,? FROM User";
private String selectSQL = "select * from User ";
public jdbcmysql()
{
try {
Class.forName("com.mysql.jdbc.Driver");
//註冊driver
con = DriverManager.getConnection(
"jdbc:mysql://localhost/test?useUnicode=true&characterEncoding=Big5",
"","");
//取得connection
//jdbc:mysql://localhost/test?useUnicode=true&characterEncoding=Big5
//localhost是主機名,test是database名
//useUnicode=true&characterEncoding=Big5使用的編碼
}
catch(ClassNotFoundException e)
{
System.out.println("DriverClassNotFound :"+e.toString());
}//有可能會產生sqlexception
catch(SQLException x) {
System.out.println("Exception :"+x.toString());
}
}
//建立table的方式
//可以看看Statement的使用方式
public void createTable()
{
try
{
stat = con.createStatement();
stat.executeUpdate(createdbSQL);
}
catch(SQLException e)
{
System.out.println("CreateDB Exception :" + e.toString());
}
finally
{
Close();
}
}
//新增資料
//可以看看PrepareStatement的使用方式
public void insertTable( String name,String passwd)
{
try
{
pst = con.prepareStatement(insertdbSQL);
pst.setString(1, name);
pst.setString(2, passwd);
pst.executeUpdate();
}
catch(SQLException e)
{
System.out.println("InsertDB Exception :" + e.toString());
}
finally
{
Close();
}
}
//刪除Table,
//跟建立table很像
public void dropTable()
{
try
{
stat = con.createStatement();
stat.executeUpdate(dropdbSQL);
}
catch(SQLException e)
{
System.out.println("DropDB Exception :" + e.toString());
}
finally
{
Close();
}
}
//查詢資料
//可以看看回傳結果集及取得資料方式
public void SelectTable()
{
try
{
stat = con.createStatement();
rs = stat.executeQuery(selectSQL);
System.out.println("ID\t\tName\t\tPASSWORD");
while(rs.next())
{
System.out.println(rs.getInt("id")+"\t\t"+
rs.getString("name")+"\t\t"+rs.getString("passwd"));
}
}
catch(SQLException e)
{
System.out.println("DropDB Exception :" + e.toString());
}
finally
{
Close();
}
}
//完整使用完資料庫後,記得要關閉所有Object
//否則在等待Timeout時,可能會有Connection poor的狀況
private void Close()
{
try
{
if(rs!=null)
{
rs.close();
rs = null;
}
if(stat!=null)
{
stat.close();
stat = null;
}
if(pst!=null)
{
pst.close();
pst = null;
}
}
catch(SQLException e)
{
System.out.println("Close Exception :" + e.toString());
}
}
public static void main(String[] args)
{
//測看看是否正常
jdbcmysql test = new jdbcmysql();
test.dropTable();
test.createTable();
test.insertTable("yku", "12356");
test.insertTable("yku2", "7890");
test.SelectTable();
}
}
2016年3月11日 星期五
匯出資料庫到網頁
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "test";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT * FROM `user`";
$result = $conn->query($sql);
if ($result != null) {
// output data of each row
while($row = $result->fetch_assoc()) {
echo "id:" . $row["name"]. $row["passwd"]. "<br>";
}
} else {
echo "0 results";
}
$conn->close();
?>
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "test";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT * FROM `user`";
$result = $conn->query($sql);
if ($result != null) {
// output data of each row
while($row = $result->fetch_assoc()) {
echo "id:" . $row["name"]. $row["passwd"]. "<br>";
}
} else {
echo "0 results";
}
$conn->close();
?>
2016年2月18日 星期四
開JAVA
打開JAVA
import java.sql.Connection;
import java.sql.DriverManager;
public class hyt {
public static void main(String[] args) {
// TODO Auto-generated method stub
Connection c = null;
try {
Class.forName("org.sqlite.JDBC");
c = DriverManager.getConnection("jdbc:sqlite:test.db");
} catch (Exception e) {
System.err.println(e.getClass().getName() + ": " + e.getMessage());
System.exit(0);
}
System.out.println("Opened database successfully");
}
}
訂閱:
文章 (Atom)