清风的blog - JAVA

Android获取联系人

a@b.com (admin) — Wed, 24 Apr 2013 17:07:35 +0800

package com.lc.product.ui.user;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import android.content.ContentResolver;

import android.database.Cursor;

import android.os.Bundle;

import android.provider.ContactsContract.CommonDataKinds.Phone;

import android.provider.ContactsContract.CommonDataKinds.Photo;

import android.text.TextUtils;

import android.util.Log;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.LinearLayout;

import android.widget.ListView;

import com.lc.product.R;

import com.lc.product.event.ListViewContactsAdapter;

import com.lc.product.event.ListViewContactsAdapter.onCheckBoxClickListener;

import com.lc.product.ui.AppActivity;

public class UserContactsActivity extends AppActivity {

private final String[] SettingList = { "漏话消息", "信箱消息", "设置消息", "系统消息", };

private Integer[] SettingImages = { 0, 0, 0, 0 };

private Integer[] Rightimage = { R.drawable.msgtypedot,

R.drawable.msgtypedot, R.drawable.msgtypedot, R.drawable.msgtypedot };

private final String[] Rightstring = { "4", "3", "2", "1" };

// private ListView mListView;

private List> listItems1;

private ListView listView1;

private ListViewContactsAdapter listViewAdapter1;

@Override

protected void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

super.onCreate(savedInstanceState);

setContentView(R.layout.layout_user_contacts);

listView1 = (ListView) findViewById(R.id.list_contacts1);

btnSelectAll = (Button) findViewById(R.id.contacts_selectall);

btnSubmit = (Button) findViewById(R.id.contacts_submit);

getPhoneContacts();

setEvent();

}

private void setData() {

listItems1 = new ArrayList>();

for (int i = 0; i < 4; i++) {

Map map = new HashMap();

map.put("image", SettingImages[i]);

map.put("title", SettingList[i]);

map.put("rightimage", Rightimage[i]);

map.put("rightstring", Rightstring[i]);

map.put("key", "key" + i);

map.put("right", "right" + i);

listItems1.add(map);

}

private View layout_user_contacts_footView;

private Button btnSelectAll, btnSubmit;

private void setListViewFoot() {

// layout_user_contacts_footView = getLayoutInflater().inflate(

// R.layout.layout_user_contacts_foot, null);

// listView1.addFooterView(layout_user_contacts_footView); // 设置列表底部视图

// btnSelectAll = (Button) layout_user_contacts_footView

// .findViewById(R.id.contacts_selectall);

// btnSubmit = (Button) layout_user_contacts_footView

// .findViewById(R.id.contacts_submit);

btnSelectAll.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

String sKey = btnSelectAll.getText().toString();

boolean b = true;

if (sKey.equals("全选")) {

b = true;

btnSelectAll.setText("全不选");

} else {

b = false;

btnSelectAll.setText("全选");

}

int iCount = listItems1.size();

Log.i("listItems1", "iCount=" + iCount);

for (int i = 0; i < iCount; i++) {// 遍历mGridView子控件找到被选中的checkbox的id

Log.i("listItems1", "i=" + i);

LinearLayout layout = (LinearLayout) listView1

.getChildAt(i);

if (null != layout) {

CheckBox checkBox = (CheckBox) layout

.findViewById(R.id.chkcontacts);

if (null != checkBox) {

checkBox.setChecked(b);

}

listViewAdapter1.setCheck(i, b);

}

JudgeCountButton();

}

});

}

private void JudgeCountButton() {

int iCount = listViewAdapter1.isSelected.size();

int j = 0;

for (int i = 0; i < iCount; i++) {

if (listViewAdapter1.isSelected.get(i)) {

j++;

}

if (j == 0) {

btnSubmit.setText("确认");

} else {

btnSubmit.setText("确认(" + j + ")");

}

private void setEvent() {

// listItems1=getListItems();

listViewAdapter1 = new ListViewContactsAdapter(this, listItems1); // 创建适配器

setListViewFoot();

listViewAdapter1.setonCheckBoxClickListener(new onCheckBoxClickListener() {

@Override

public void oncheckBoxclickListenr(int position) {

// TODO Auto-generated method stub

JudgeCountButton();

}

});

listView1.setAdapter(listViewAdapter1);

listView1.setOnItemClickListener(new OnItemClickListener() {

@Override

public void onItemClick(AdapterView arg0, View arg1, int arg2,

long arg3) {

CheckBox chk = (CheckBox) arg1.findViewById(R.id.chkcontacts);

if (chk != null) {

if (chk.isChecked()) {

chk.setChecked(false);

} else {

chk.setChecked(true);

}

listViewAdapter1.setCheck(arg2, chk.isChecked());

JudgeCountButton();

}

});

}

private static final String[] PHONES_PROJECTION = new String[] {

Phone.DISPLAY_NAME, Phone.NUMBER, Photo.PHOTO_ID, Phone.CONTACT_ID };

private void getPhoneContacts() {

listItems1 = new ArrayList>();

ContentResolver resolver = this.getContentResolver();

// 获取手机联系人

Cursor phoneCursor = resolver.query(Phone.CONTENT_URI,

PHONES_PROJECTION, null, null, null);

int i = 1;

if (phoneCursor != null) {

while (phoneCursor.moveToNext()) {

// 得到手机号码

String phoneNumber = phoneCursor.getString(1);

// 当手机号码为空的或者为空字段跳过当前循环

if (TextUtils.isEmpty(phoneNumber))

continue;

// 得到联系人名称

String contactName = phoneCursor.getString(0);

if (contactName.length() > 5) {

contactName = contactName.substring(0, 5) + "..";

}

Map map = new HashMap();

map.put("image", 0);

map.put("title", contactName);

map.put("rightimage", 0);

map.put("rightstring", phoneNumber);

map.put("key", "key" + phoneNumber);

map.put("right", "right" + phoneNumber);

listItems1.add(map);

i++;

if (i > 50) {

break;

}

phoneCursor.close();

}

java代理妙不可言

a@b.com (admin) — Wed, 24 Apr 2013 17:06:40 +0800

package com.lc.product.event;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import android.content.Context;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.CompoundButton;

import android.widget.CompoundButton.OnCheckedChangeListener;

import android.widget.ImageView;

import android.widget.TextView;

import com.lc.basic.widget.LcNav.onButton1ClickListener;

import com.lc.product.R;

public class ListViewContactsAdapter extends BaseAdapter {

private Context context; // 运行上下文

private List> listItems; // 商品信息集合

private LayoutInflater listContainer; // 视图容器

private boolean[] hasChecked; // 记录商品选中状态

int selectItem = -1;

public void setSelectItem(int selectItem) {

this.selectItem = selectItem;

}

public final class ListItemView { // 自定义控件集合

public ImageView image;

public TextView title;

public TextView info;

public CheckBox check;

public Button detail;

}

public final class ViewHolder {

public TextView typeView;

public TextView nameView;

public TextView timerView;

public TextView numberView;

public CheckBox nCheckBox;

}

public ListViewContactsAdapter(Context context,

List> listItems) {

this.context = context;

listContainer = LayoutInflater.from(context); // 创建视图容器并设置上下文

this.listItems = listItems;

hasChecked = new boolean[getCount()];

isSelected = new HashMap();

for (int i = 0; i < listItems.size(); i++) {

isSelected.put(i, false);

}

public int getCount() {

// TODO Auto-generated method stub

return listItems.size();

}

public Object getItem(int arg0) {

// TODO Auto-generated method stub

return null;

}

public long getItemId(int arg0) {

// TODO Auto-generated method stub

return 0;

}

public void setCheck(int position, boolean b) {

isSelected.put(position, b);

}

/**

* ListView Item设置

public View getView(final int position, View convertView, ViewGroup parent) {

ListItemView listItemView = null;

ViewHolder holder = null;

// 获取list_item布局文件的视图

convertView = listContainer.inflate(R.layout.widget_contacts_listitem,

null);

holder = new ViewHolder();

holder.nameView = (TextView) convertView

.findViewById(R.id.contacts_listview_itemname);

holder.nameView.setText((String) listItems.get(position).get("title"));

holder.timerView = (TextView) convertView

.findViewById(R.id.contacts_listview_itemtel);

holder.timerView.setText((String) listItems.get(position).get(

"rightstring"));

holder.nCheckBox = (CheckBox) convertView

.findViewById(R.id.chkcontacts);

holder.nCheckBox

.setOnCheckedChangeListener(new OnCheckedChangeListener() {

@Override

public void onCheckedChanged(CompoundButton arg0,

boolean isCheck) {

if (isCheck) {

isSelected.put(position, true);

} else if (!isCheck) {

isSelected.put(position, false);

}

if (onCheckBoxClickListener1 != null) {

onCheckBoxClickListener1.oncheckBoxclickListenr(position);

}

});

if (null != isSelected.get(position)) {

holder.nCheckBox.setChecked(isSelected.get(position));

}

convertView.setTag(holder);

return convertView;

}

public HashMap isSelected;

public void setonCheckBoxClickListener(onCheckBoxClickListener click) {

this.onCheckBoxClickListener1 = click;

}

private onCheckBoxClickListener onCheckBoxClickListener1;

public interface onCheckBoxClickListener {

public void oncheckBoxclickListenr(int position);

}

jstl 自定义标签

a@b.com (admin) — Wed, 03 Apr 2013 17:30:24 +0800

package net.lisoft.basic;

import java.io.IOException;

import java.util.ResourceBundle;

import javax.servlet.jsp.JspException;

import javax.servlet.jsp.JspWriter;

import javax.servlet.jsp.tagext.TagSupport;

public class HelloTag extends TagSupport {

private String name;

@Override

public int doEndTag() throws JspException {

try {

this.pageContext.getOut().println("Hello, " + name);

} catch (IOException e) {

throw new JspException(e);

}

return EVAL_PAGE;

}

public String getName() {

return name;

}

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>

<%@ taglib uri="/tld/helloworld" prefix="mytag"%>

MyJSP

自定义标签:

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://java.sun.com/xml/ns/javaee

http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

UserLogin

net.lisoft.service.servlet.CUserLoginServlet

message

welcom to Firservlet

encoding

utf-8

CIdentityServlet

net.lisoft.service.servlet.CInentityServlet

UserLogin

/servlet/UserLogin

CIdentityServlet

/servlet/CIdentityServlet

BASIC

/tld/helloworld

/WEB-INF/tlds/helloworld.tld

/mytaglib

/WEB-INF/taglib.tld

"http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd">

1.0

1.2

mytag

helloworld

net.lisoft.basic.HelloWorldTag

empty

tld

a@b.com (admin) — Wed, 03 Apr 2013 17:29:36 +0800

"http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd">

1.0

1.2

mytag

helloworld

net.lisoft.basic.HelloWorldTag

empty

JAVA ResultSet

a@b.com (admin) — Mon, 01 Apr 2013 12:44:20 +0800

package net.lisoft.service.log;

import java.sql.*;

import java.text.SimpleDateFormat;

import java.lang.*;

import java.util.ArrayList;

import java.util.Date;

import java.util.HashMap;

import java.util.LinkedList;

import java.util.List;

import java.util.Map;

import net.lisoft.db.DbServer;

public class LogList {

public static ResultSet getLoglist1() throws SQLException,

InstantiationException, IllegalAccessException,

ClassNotFoundException {

DbServer dServer = new DbServer();

ResultSet rs = dServer

.Execute("select top 10 * from TB_System_Log where status=0 order by id desc");

return rs;

}

public static List getLoglist2() throws SQLException,

InstantiationException, IllegalAccessException,

ClassNotFoundException {

DbServer dServer = new DbServer();

ResultSet rs = dServer

.Execute("select top 10 * from TB_System_Log where status=0 order by id desc");

return convertList(rs);

}

private static List convertList(ResultSet rs) throws SQLException {

List list = new ArrayList();

ResultSetMetaData md = rs.getMetaData();

int columnCount = md.getColumnCount(); // Map rowData;

while (rs.next()) { // rowData = new HashMap(columnCount);

Map rowData = new HashMap();

for (int i = 1; i <= columnCount; i++) {

rowData.put(md.getColumnName(i), rs.getObject(i));

}

//System.out.println(rowData.toString());

list.add(rowData);

}

return list;

}

JSTL FOREACH

a@b.com (admin) — Mon, 01 Apr 2013 11:17:31 +0800

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>

<%@ taglib uri="http://java.sun.com/jsp/jstl/sql" prefix="sql"%>

<%@ page import="java.sql.*"%>

<%@ page import="net.lisoft.service.log.*"%>

<%@ page import="java.util.HashMap.*"%>

<%@ page import="java.util.List.*"%>

<%@ page import="java.util.Map.*"%>

//List rs = LogList.getLoglist();

List rs = LogList.getLoglist2();

//下面的代码太重要了，否则根本无法显示数据，调整了半个上午

request.setAttribute("rs", rs);

${p.ID }

${p.CreateDate }

图片验证码

a@b.com (admin) — Fri, 29 Mar 2013 14:51:30 +0800

package net.lisoft.service.servlet;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics2D;

import java.awt.image.BufferedImage;

import java.io.IOException;//这行好像不要也行？

import java.util.Random;

import javax.imageio.ImageIO;

import javax.servlet.ServletException;

import javax.servlet.ServletOutputStream;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

public class CInentityServlet extends HttpServlet {

// 高度

private int width = 90;

// 宽度

private int height = 20;

protected void service(HttpServletRequest req, HttpServletResponse resp)

throws ServletException, java.io.IOException {

BufferedImage buffImg = new BufferedImage(width, height,

BufferedImage.TYPE_INT_RGB);

Graphics2D g = buffImg.createGraphics();

Random random = new Random();

g.setColor(Color.WHITE);

g.fillRect(0, 0, width, height);

// 设置字体

Font font = new Font("Times New Roman", Font.BOLD, 20);

g.setFont(font);

// 画边框

g.setColor(Color.GRAY);

g.drawRect(0, 0, width - 1, height - 1);

g.setColor(Color.GRAY);

// 随机产生干扰线

for (int i = 0; i < 50; i++) {

int x = random.nextInt(width);

int y = random.nextInt(height);

int x1 = random.nextInt(2);

int y1 = random.nextInt(2);

g.drawLine(x, y, x + x1, y + y1);

}

// 数字字母集合(为方便辨认只有小写字母)

char[] numbersAndLettersStore = ("ABCDEFGHIJKLMNOPQRSTUVWXYZ")

.toCharArray();

String randomCode = "";// 这个地方不能为null,如果为null那么session中也会出现null，不知道什么原因

int red = 0, green = 0, blue = 0;

for (int i = 0; i < 4; i++) {

red = random.nextInt(255);

green = random.nextInt(255);

blue = random.nextInt(255);

g.setColor(new Color(red, green, blue));

String tem = String.valueOf(numbersAndLettersStore[random

.nextInt(numbersAndLettersStore.length)]);

randomCode += tem;

g.drawString(tem, 15 * i + 16, 17);

}

// 验证码保存到Session范围

HttpSession session = req.getSession();

session.setAttribute("logincode", randomCode.toString());

// 禁止缓存

resp.setHeader("Prama", "no-cache");

resp.setHeader("Coche-Control", "no-cache");

resp.setDateHeader("Expires", 0);

resp.setContentType("image/jpeg");

// 将图像输出到

ServletOutputStream sos = resp.getOutputStream();

ImageIO.write(buffImg, "jpeg", sos);

sos.close();

}

DbServer

a@b.com (admin) — Fri, 29 Mar 2013 14:18:38 +0800

package net.lisoft.db;

import java.sql.*;

import java.lang.*;

import java.util.ArrayList;

import java.util.List;

import java.util.Date;

import java.text.SimpleDateFormat;

public class DbServer {

// 根据sSQL命令返回数据集

public ResultSet Execute(String sSQL) throws InstantiationException,

IllegalAccessException, ClassNotFoundException, SQLException {

Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver")

.newInstance();

// String url =

// "jdbc:microsoft:sqlserver://LC_QZF\SQLEXPRESS:1433;DatabaseName=nmykt";

String url = "jdbc:microsoft:sqlserver://WS03-20130314NE:1433;DatabaseName=nmykt";

// pubs为你的数据库的

String user = "sa";

String password = "sa";

// 不知道为什么这句话这么的慢；

Connection conn = DriverManager.getConnection(url, user, password);

Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,

ResultSet.CONCUR_UPDATABLE);

SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 设置日期格式

System.out.println("开始执行SQL命令：" + df.format(new Date()));

System.out.println("SQL命令：" + sSQL);

ResultSet rs = stmt.executeQuery(sSQL);

System.out.println("结束时间：" + df.format(new Date()));

return rs;

}

CBasicService

a@b.com (admin) — Fri, 29 Mar 2013 14:17:47 +0800

package net.lisoft.service.servlet;

import java.io.IOException;

import java.io.PrintWriter;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class CBasicService {

public static void LcMessage(HttpServletResponse response, String Message)

throws ServletException, IOException {

LcMessage(response, Message, "");

}

public static void LcMessage(HttpServletResponse response, String Message,

String URL) throws ServletException, IOException {

String sReturn = "";

sReturn = "";

PrintWriter out = response.getWriter();

out.println(sReturn);

out.flush();

out.close();

}

CUserLoginServlet

a@b.com (admin) — Fri, 29 Mar 2013 14:17:27 +0800

package net.lisoft.service.servlet;

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class CUserLoginServlet extends HttpServlet implements

javax.servlet.Servlet {

@Override

protected void doGet(HttpServletRequest req, HttpServletResponse resp)

throws ServletException, IOException {

// TODO Auto-generated method stub

this.log("执行doGet方法...");

execute(req, resp);

// super.doGet(req, resp);

}

@Override

protected void doPost(HttpServletRequest req, HttpServletResponse resp)

throws ServletException, IOException {

// TODO Auto-generated method stub

this.log("执行doPost方法...");

execute(req, resp);

// super.doPost(req, resp);

}

private void execute(HttpServletRequest request,

HttpServletResponse response) throws ServletException, IOException {

response.setCharacterEncoding("gbk");

request.setCharacterEncoding("gbk");

String requestURI = request.getRequestURI();

String method = request.getMethod();

String username = request.getParameter("txtLoginName");

String userpwd = request.getParameter("txtLoginPwd");

this.log("username=" + username + ",userpwd=" + userpwd);

request.getSession().setAttribute("username", username);

if (!username.equals("admin") || userpwd.equals("123")) {

CBasicService.LcMessage(response, "用户名或者密码错误");

} else {

response.sendRedirect("../admin/desktop/main.jsp");

}