JQuery二维码生成图片处理
页面代码
<li class="cardBody-info " id="erweima">
<img class="img-erweima" th:src="@{/image/erweima.png}"/>
<div id="qrcodeCanvas" style="display: block;">
<canvas width="100" height="100"></canvas>
</div>
</li>页面样式
.cardBorder>li{
background-color: #ffffff;
}
.card-container .cardBody{
height: 6.4rem;
width: 100%;
position: absolute;
top: 1.8rem;
}
.cardBody .cardBody-info{
display: none;
}
.cardBody .cardBody-info.active{
display: block;
}
.cardBody #rule,.cardBody #address{
padding: .8rem .5rem;
}
.cardBody #rule>ul>li,.cardBody #address>ul>li{
font-size: .6rem;
color: #ffffff;
line-height: .85rem;
margin-bottom: .3rem;
}
.cardBody #front>h4{
width: 100%;
text-align: center;
font-size: .65rem;
color: #ffffff;
margin-top: .8rem;
font-weight: 400;
}
.cardBody #front>span{
display: block;
width: 100%;
text-align: center;
color: #ffffff;
font-size: 2rem;
font-weight: 700;
}
.cardBody #front>p{
width: 100%;
text-align: center;
font-size: .6rem;
color: #791818;
margin-top: .3rem;
}
.cardBody #erweima>.img-erweima{
height: 4rem;
display: block;
margin: 1.2rem auto;
}生成脚本
$(function(){
//文字logo
$("#qrcodeCanvas").erweima({
width : 90,
height : 90,
text : "http://192.168.1.120:8888/act/"+id,
label: 'Sunlight'
});
var qrcode=$("#qrcodeCanvas").find("img");
$(".img-erweima").attr("src",qrcode.attr("src"));
})引用脚本
(function(f) {
f.fn.erweima = function(a) {
if (null != a) {
if (null != a.text) { var c = a.text, b, e, g, d; b = ""; g = c.length; for (e = 0; e < g; e++) d = c.charCodeAt(e), 1 <= d && 127 >= d ? b += c.charAt(e) : (2047 < d ? (b += String.fromCharCode(224 | d >> 12 & 15), b += String.fromCharCode(128 | d >> 6 & 63)) : b += String.fromCharCode(192 | d >> 6 & 31), b += String.fromCharCode(128 | d >> 0 & 63)); a.text = b }
null != a.radius && (c = .01 * parseInt(a.radius), a.radius = c);
null != a.mSize && (c = .01 * parseInt(a.mSize), a.mSize = c);
null != a.mPosX && (c = .01 * parseInt(a.mPosX), a.mPosX = c);
null != a.mPosY && (c = .01 * parseInt(a.mPosY), a.mPosY = c)
}
a = f.extend({ render: "image", ecLevel: "H", minVersion: 6, fill: "#666", background: "#fff", text: "http://www.sun4j.com", size: 100, radius: .5, quiet: 4, mode: 2, mSize: .1, mPosX: .5, mPosY: .5, label: "Sunlight", fontname: "Microsoft YaHei", fontcolor: "orange" },
a);
f(this).empty().qrcode(a)
}
})(jQuery);属性说明
render：canvas / image / div 渲染模式
ecLevel：L:7% / M:15% / Q:25% / H:30% 二维码识别度（越大越容易扫描）
-----------------------------------------------------------------------------------
minVersion：6 二维码密度，推荐0-10
fill：'#666' 二维码颜色
background：'#fff' 二维码背景颜色
text：'www.baidu.com' 最后扫出来的结果
size：300 二维码大小
radius：50 点圆滑度,50以内
quiet：4 二维码边框
------------------------------------------------------------------------------------
mode：2 不显示LOGO：0 / 文字且占整行：1 / 文字居中：2 / 图片且占整行：3 / 图片居中：4
mSize：20 logo大小
mPosX：50 logo水平坐标,50居中
mPosY：50 logo垂直坐标,50居中
label:'扫码关注我' logo文字
fontname:'微软雅黑' logo字体名
fontcolor：'orange' logo字体颜色
image：image:$("#imgLogo")[0] 设置的时候，需要把mode改成4，调用整个图片控件jqueryqr.js
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