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2012年4月7日

巧用CSS3 border制作圖片遮罩效果

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>無標題文檔</title> 
<style type="text/css">
.trans {
-webkit-transition: 0.3s ease;
-moz-transition: 0.3s ease;
-ms-transition: 0.3s ease;
-o-transition: 0.3s ease;
transition: 0.3s ease;
}
.test_outer {
display: block;
width: 200px;
height: 200px;
margin: 1em auto;
position: relative;
overflow: hidden;
}
.test_cover {
width: 40px;
height: 40px;
border: 200px solid rgba(0, 0, 0, .35);
border-radius: 50%;
position: absolute;
left: -115px;
top: -165px;
}
.test_cover:hover {
width: 140px;
height: 140px;
left: -170px;
top: -165px;
}
.test_cover:hover:after {
content: "秋思-一葉知秋！";
text-align:center;
margin:55px 0 0 12px;
color: #fff;
font: bold 16px/1.2 '微軟雅黑';
text-shadow: 1px 1px rgba(0, 0, 0, .35);
position: absolute;
}
</style> 
</head> 

<body> 

<a href="#" class="test_outer"> 
<span class="test_cover trans"></span> 
<img src="http://center.w3cfuns.com/data/avatar/000/00/64/47_avatar_middle.jpg" width="200" height="200" /> 
</a> 
</body> 
</html>

復制代碼

其實現原理是利用個border偌大的半透明邊框屬性（demo中邊框寬度200像素），邊框顏色為rgba黑色半透明，然后50%圓角。再用用定位把它覆蓋在圖片上面。
主要核心代碼:

.test_cover {
width: 40px;
height: 40px;
border: 200px solid rgba(0, 0, 0, .35);
border-radius: 50%;
position: absolute;
left: -115px;
top: -165px;
}

復制代碼

然后外面再用個父容器把它溢出隱藏掉就可以了

.test_outer {
display: block;
width: 200px;
height: 200px;
margin: 1em auto;
position: relative;
overflow: hidden;

posted @ 2012-04-07 12:46 牛哥哥閱讀(227) | 評論 (0) | 編輯收藏

jQuery實例——展示表格點擊變色、全選、刪除

看著書上的代碼，自己敲了好一陣，發現自己優化后的代碼比書上的更簡潔，功能也更多，貼出來，留后用~~

功能：

表格行點擊變背景色、選擇刪除、全選刪除、圖片原圖顯示

效果顯示：

代碼貼上：

<!DOCTaYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title></title>
    <meta name="keywords" content=" keywords" />
    <meta name="description" content="description" />
</head>
<script type="text/javascript" src="jquery-1.7.2.min.js"></script>
<style type="text/css">
    body{font-size:12px}
    table{width:360px;border-collapse:collapse}
    table tr th,td{border:solid 1px #666;text-align:center}
    table tr td img{border:solid 1px #ccc;padding:3px;width:42px;height:60px;cursor:pointer}
    table tr td span{float:left;padding-left:12px}
    table tr th{background-color:#ccc;height:32px;background-color:#fff}
    .clsImg{position:absolute;border:solid 1px #ccc;padding:3px;background-color:#eee;display:none;cursor:pointer}
    .btn{border:solid 1px #666;padding:2px;width:50px;filter:progd:DXImageTransform.Microsoft.Gradient(GradientType=0,StartColorStr=#fff,EndColorStr=#ECE9D8);cursor:pointer}
</style>
<body>
<script type="text/javascript">
    $(function(){
        //點擊表格行變色
        $('tr').click(function(){
            if((this.style.backgroundColor=='')||(this.style.backgroundColor=='rgb(255, 255, 255)')){
                this.style.cssText='background-color:#CCC';
            }else{
                this.style.cssText='background-color:#fff';
            }
        })

        //放大圖顯示
        $('.a').mousemove(function(e){
            $('#imgTip').show().attr('src',this.src);
            $('#imgTip').css({'top':(e.pageY+5)+'px','left':(e.pageX+5)+'px'});
        });
        $('.a').mouseover(function(e){
            $('#imgTip').show().attr('src',this.src);
            $('#imgTip').css({'top':(e.pageY+5)+'px','left':(e.pageX+5)+'px'});
        });
        $('.a').mouseout(function(){
            $('#imgTip').hide();
        });

        //點擊全選
        $('#checkAll').click(function(){
            if(this.checked){
                $(':checkbox').attr('checked',true);
            }else{
                $(':checkbox').attr('checked',false);
            }
        });

        //刪除部分與全部
        $('.btn').click(function(){
            if($('#checkAll').attr('checked')){
                $('table tr td :checkbox:not("#checkAll")').each(function(index){
                    $('#'+this.value).remove();
                });
            }else{
                $(':checkbox:not("#checkAll")').each(function(index){
                    if(this.checked){
                        $('#'+this.value).remove();
                    }
                })
            }
        });
    });
</script>

<table>
    <tr>
        <th>選項</th>
        <th>編號</th>
        <th>封面</th>
        <th>購書人</th>
        <th>性別</th>
        <th>夠書價</th>
    </tr>
    <tr id="0">
        <td><input type="checkbox" name="" id="checkbox1" value="0" /></td>
        <td>1001</td>
        <td><img src="1.jpg" title="" alt="" class="a" /></td>
        <td>李小明</td>
        <td>男</td>
        <td>35.6元</td>
    </tr>
    <tr id="1">
        <td><input type="checkbox" name="" id="checkbox2" value="1" /></td>
        <td>1002</td>
        <td><img src="2.jpg" title="" alt="" class="a" /></td>
        <td>王明</td>
        <td>男</td>
        <td>28.9元</td>
    </tr>
    <tr id="2">
        <td><input type="checkbox" name="" id="checkbox3" value="2" /></td>
        <td>1003</td>
        <td><img src="3.jpg" title="" alt="" class="a" /></td>
        <td>皮特</td>
        <td>女</td>
        <td>34.3元</td>
    </tr>
    <tr id="3">
        <td><input type="checkbox" name="" id="checkbox3" value="3" /></td>
        <td>2356</td>
        <td><img src="4.jpg" title="" alt="" class="a" /></td>
        <td>愛丁堡</td>
        <td>男</td>
        <td>23.3元</td>
    </tr>
</table>
<table>
    <tr>
        <td style="text-align:left;height:28px">
            <span><input type="checkbox" name="" id="checkAll" />全選</span>
            <span><input type="button" value="刪除" class="btn" /></span>
        </td>
    </tr>
</table>
<img src="1.jpg" title="" alt="" id="imgTip" class="clsImg" />
</body>
</html>

posted @ 2012-04-07 12:45 牛哥哥閱讀(1735) | 評論 (0) | 編輯收藏

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Data;
using System.Data.SqlClient;

namespace wang.lx
{
class HXGL_HXGL:Window
{
ListView lv;
dbHelper db = new dbHelper();
GridView gv;
GridViewColumn gvc;
public HXGL_HXGL()
{
Title = "橫向項目管理";
Grid grid = new Grid();
SizeToContent = SizeToContent.Height;
Width = 750;
grid.Margin = new Thickness(10);
Content = grid;

RowDefinition rd = new RowDefinition();
rd.Height = GridLength.Auto;
grid.RowDefinitions.Add(rd);

rd = new RowDefinition();
rd.Height = GridLength.Auto;
grid.RowDefinitions.Add(rd);

WrapPanel wrap = new WrapPanel();
Button btn1 = new Button();
btn1.Content = "增加";
btn1.Click += HXGL_btnOnClick;
btn1.Height = btn1.Width = 40;
wrap.Children.Add(btn1);

Button btn2 = new Button();
btn2.Height = btn2.Width = 40;
btn2.Content = "修改";
wrap.Children.Add(btn2);

Button btn3 = new Button();
btn3.Height = btn3.Width = 40;
btn3.Content = "刪除";
wrap.Children.Add(btn3);

grid.Children.Add(wrap);

ScrollViewer sv = new ScrollViewer();
sv.HorizontalScrollBarVisibility = ScrollBarVisibility.Auto;
sv.Height = this.Height - btn1.Height - 10;
grid.Children.Add(sv);
Grid.SetRow(sv, 1);
lv = new ListView();
sv.Content = lv;
Data_Init();

gv = new GridView();
gv.AllowsColumnReorder = true;
gv.ColumnHeaderToolTip = "橫向項目管理";
lv.View = gv;

//可以向如下方式添加，但相當繁瑣，代碼重復次數超過兩次，最好寫成函數
//gvc = new GridViewColumn();
//gvc.DisplayMemberBinding = new Binding("name");
//gvc.Header = "項目名稱";
//gvc.Width = 100;
//gv.Columns.Add(gvc);

//gvc = new GridViewColumn();
//gvc.DisplayMemberBinding = new Binding("XMXH");
//gvc.Header = "項目序號";
//gvc.Width = 100;
//gv.Columns.Add(gvc);

//gvc = new GridViewColumn();
//gvc.DisplayMemberBinding = new Binding("fzr");
//gvc.Header = "負責人";
//gvc.Width = 100;
//gv.Columns.Add(gvc);

//gvc = new GridViewColumn();
//gvc.DisplayMemberBinding = new Binding("HTJF");
//gvc.Header = "合同經費";
//gvc.Width = 100;
//gv.Columns.Add(gvc);

//gvc = new GridViewColumn();
//gvc.DisplayMemberBinding = new Binding("DKJE");
//gvc.Header = "到款金額";
//gvc.Width = 100;
//gv.Columns.Add(gvc);

//利用數組批量添加，注意，此處必須和讀取的字段大小寫保持一致，否則無法顯示
string[] bstr = {"Name","XMXH","FZR","HTJF","DKJE", "HTBH", "FZRYB", "SBJF", "DKSJ", "XMLB", "LXSJ", "QDRQ", "JTSJ", "WTDW", "YXQX", "XMJJ","XMWCQKJJ", "XMCJZ" };
string[] headstr = {"項目名稱","項目序號","負責人","合同經費","到款金額", "合同編號", "負責人院別", "設備經費", "到款時間", "項目類別", "立項時間", "簽訂日期", "結題時間", "委托單位", "有效期限", "項目簡介","項目完成情況簡介", "項目參加者"};
AddColumn(bstr, headstr);
}
//批量添加函數
protected void AddColumn(string[] bstr, string[] headstr)
{
for(int i=0;i<bstr.Length;i++)
{
gvc = new GridViewColumn();
gvc.DisplayMemberBinding = new Binding(bstr[i]);
gvc.Header = headstr[i];
//gvc.Width = 100;
gv.Columns