<Grid Width="539" local:GridHelper.LineColor="#46B8DA" local:GridHelper.ShowGridLines="True" x:Name="GuidesTable"> 代码解释
时间: 2023-07-22 11:11:50 浏览: 48
这段代码是一个WPF中的Grid控件的示例,具体解释如下:
- Width="539": 设置Grid控件的宽度为539个单位。
- local:GridHelper.LineColor="#46B8DA": 使用GridHelper类中的LineColor属性来设置Grid的线条颜色。这里的"#46B8DA"是一个十六进制颜色代码,表示线条颜色为淡蓝色。
- local:GridHelper.ShowGridLines="True": 使用GridHelper类中的ShowGridLines属性来设置是否显示Grid的网格线。这里设置为True,表示显示网格线。
- x:Name="GuidesTable": 给Grid控件一个名称"GuidesTable",以便在代码中引用它。
这段代码创建了一个宽度为539的Grid控件,并使用了GridHelper类中定义的LineColor属性来设置线条颜色为淡蓝色。同时,通过设置ShowGridLines属性为True,使得网格线可见。你可以根据需要调整这些属性值来实现自己想要的效果。
相关问题
将下面的代码改成createjs的方法 <!DOCTYPE HTML> <html> <head> <meta charset="utf-8" /> </head> <body> <canvas id="canvas" width="600" height="300""></canvas><br> <button style="width:80px;background-color:yellow;" onclick='linecolor = "yellow";'>YELLOW</button> <button style="width:80px;background-color:red;" onclick='linecolor = "red";'>RED</button> <button style="width:80px;background-color:blue;" onclick='linecolor = "blue";'>BLUE</button> <button style="width:80px;background-color:green;" onclick='linecolor = "green";'>GREEN</button> <button style="width:80px;background-color:white;" onclick='linecolor = "white";'>WHITE</button> <button style="width:80px;background-color:black;color:white;" onclick='linecolor = "black";'>BLACK</button> <br> <button style="width:80px;background-color:white;" onclick="linw = 4;">4px</button> <button style="width:80px;background-color:white;" onclick="linw = 8;">8px</button> <button style="width:80px;background-color:white;" onclick="linw = 16;">16px</button> <br> <button style="width:80px;background-color:pink;" onclick="copyimage();">EXPORT</button> <br> <img src="" id="image_png" width="600" height="300"> <script type="text/javascript"> var canvas = document.getElementById("canvas"); var ctx = canvas.getContext("2d"); //画一个黑色矩形 ctx.fillStyle="black"; ctx.fillRect(0,0,600,300); //按下标记 var onoff = false; var oldx = -10; var oldy = -10; //设置颜色 var linecolor = "white"; //设置线宽 var linw = 4; //添加鼠标移动事件 canvas.addEventListener("mousemove",draw,true); //添加鼠标按下事件 canvas.addEventListener("mousedown",down,false); //添加鼠标弹起事件 canvas.addEventListener("mouseup",up,false); function down(event){ onoff = true; oldx = event.pageX-10; oldy = event.pageY-10; } function up(){ onoff = false; } function draw(event){ if(onoff == true){ var newx = event.pageX-10; var newy = event.pageY-10; ctx.beginPath(); ctx.moveTo(oldx,oldy); ctx.lineTo(newx,newy); ctx.strokeStyle=linecolor; ctx.lineWidth=linw; ctx.lineCap="round"; ctx.stroke(); oldx = newx; oldy = newy; }; }; function copyimage(event){ var img_png_src = canvas.toDataURL("image/png"); document.getElementById("image_png").src = img_png_src; } </script> </body> </html>
以下是使用createjs库改写后的代码:
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8" />
<script src="https://code.createjs.com/1.0.0/createjs.min.js"></script>
</head>
<body>
<canvas id="canvas" width="600" height="300"></canvas><br>
<button style="width:80px;background-color:yellow;" onclick='linecolor = "yellow";'>YELLOW</button>
<button style="width:80px;background-color:red;" onclick='linecolor = "red";'>RED</button>
<button style="width:80px;background-color:blue;" onclick='linecolor = "blue";'>BLUE</button>
<button style="width:80px;background-color:green;" onclick='linecolor = "green";'>GREEN</button>
<button style="width:80px;background-color:white;" onclick='linecolor = "white";'>WHITE</button>
<button style="width:80px;background-color:black;color:white;" onclick='linecolor = "black";'>BLACK</button>
<br>
<button style="width:80px;background-color:white;" onclick="linw = 4;">4px</button>
<button style="width:80px;background-color:white;" onclick="linw = 8;">8px</button>
<button style="width:80px;background-color:white;" onclick="linw = 16;">16px</button>
<br>
<button style="width:80px;background-color:pink;" onclick="copyimage();">EXPORT</button>
<br>
<img src="" id="image_png" width="600" height="300">
<script type="text/javascript">
// 获取canvas元素
var canvas = document.getElementById("canvas");
// 创建createjs的stage对象
var stage = new createjs.Stage(canvas);
// 画一个黑色矩形
var bg = new createjs.Shape();
bg.graphics.beginFill("black").drawRect(0, 0, canvas.width, canvas.height);
stage.addChild(bg);
stage.update();
// 按下标记
var onoff = false;
var oldx = -10;
var oldy = -10;
// 设置颜色
var linecolor = "white";
// 设置线宽
var linw = 4;
// 添加鼠标移动事件
canvas.addEventListener("mousemove", draw);
// 添加鼠标按下事件
canvas.addEventListener("mousedown", down);
// 添加鼠标弹起事件
canvas.addEventListener("mouseup", up);
function down(event){
onoff = true;
oldx = event.pageX - canvas.offsetLeft;
oldy = event.pageY - canvas.offsetTop;
}
function up(){
onoff = false;
}
function draw(event){
if(onoff == true){
var newx = event.pageX - canvas.offsetLeft;
var newy = event.pageY - canvas.offsetTop;
var shape = new createjs.Shape();
shape.graphics.setStrokeStyle(linw, 'round', 'round');
shape.graphics.beginStroke(linecolor);
shape.graphics.moveTo(oldx, oldy);
shape.graphics.lineTo(newx, newy);
shape.graphics.endStroke();
stage.addChild(shape);
stage.update();
oldx = newx;
oldy = newy;
}
}
function copyimage(event){
var img_png_src = canvas.toDataURL("image/png");
document.getElementById("image_png").src = img_png_src;
}
</script>
</body>
</html>
<l-tabs :list="tabarr" keyName="title" :lineShow="true" :lineCrude="6" :activeSize="18" linePlace="26px" activeTextColor="#333" bold=600 textColor="#333" lineColor="linear-gradient(to right, #98F0BC 30%, #98F0BC)" @choose="tabChange"> </l-tabs> <swiper :current="tab" class="c6"> <swiper-item> <view class="c7" v-for="(item,index) in noticeArr" :key="index"> <view class="c8"> <view class="c9">{{item.title}}</view> <view class="d1">{{item.author}}</view> </view> <image :src="item.icon" class="d2"></image> </view> </swiper-item> <swiper-item> <view class="c7" v-for="(item,index) in noticeArr" :key="index"> <view class="c8"> <view class="c9">{{item.title}}</view> <view class="d1">{{item.author}}</view> </view> <image :src="item.icon" class="d2"></image> </view> </swiper-item> <swiper-item> <view class="c7" v-for="(item,index) in noticeArr" :key="index"> <view class="c8"> <view class="c9">{{item.title}}</view> <view class="d1">{{item.author}}</view> </view> <image :src="item.icon" class="d2"></image> </view> </swiper-item> <swiper-item> <view class="c7" v-for="(item,index) in noticeArr" :key="index"> <view class="c8"> <view class="c9">{{item.title}}</view> <view class="d1">{{item.author}}</view> </view> <image :src="item.icon" class="d2"></image> </view> </swiper-item> </swiper>
这是一个基于 Vue.js 的组件视图,包含了两个子组件:一个是选项卡(Tab)视图组件,另一个是轮播图(Swiper)组件。在选项卡组件中,通过绑定属性(如选项卡列表tabarr、选项卡标题属性keyName等)来动态生成选项卡,并通过事件响应(@choose="tabChange")来实现选项卡切换时的视图变化。在轮播图组件中,使用了四个swiper-item标签,每个标签中嵌套了一个类似通知公告的视图,包含了一个标题(item.title)、作者(item.author)以及一个图片(icon),这些数据通过v-for指令动态绑定到视图上。同时,轮播图组件设置了一个current属性,用于指定当前显示的swiper-item标签,实现轮播效果。
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