生成条形码

<body>

	<div>

		<img id="ma"/>

	</div>

</body>

</html>

<script src="jquery-1.8.1.min.js"></script>

<script type="text/javascript" src="https://cdn.bootcss.com/jsbarcode/3.8.0/JsBarcode.all.min.js"></script>

<script>

$(function(){

    $("#ma").JsBarcode("12345678", {

        width:2,// 设置条之间的宽度

        height:50,// 高度

       // displayValue:true, // 是否在条形码上下方显示文字

       // fontOptions:"bold italic", // 使文字加粗体或变斜体

       // font:"fantasy", // 设置文本的字体

       // textAlign:"left", // 设置文本的水平对齐方式

       // textPosition:"top", // 设置文本的垂直位置

       // textMargin:5, // 设置条形码和文本之间的间距

       // fontSize:15, // 设置文本的大小

       // background:"#eee", // 设置条形码的背景

       // lineColor:"#2196f3", // 设置条和文本的颜色。

       // margin:15 // 设置条形码周围的空白边距

   });

});

</script>

　　附：jsbarcode.js

/*! JsBarcode v3.8.0 | (c) Johan Lindell | MIT license */

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o,i;i="top"==t.textPosition?t.marginTop+t.fontSize-t.textMargin:t.height+t.textMargin+t.marginTop+t.fontSize,n.font=r,"left"==t.textAlign||e.barcodePadding>0?(o=0,n.textAlign="left"):"right"==t.textAlign?(o=e.width-1,n.textAlign="right"):(o=e.width/2,n.textAlign="center"),n.fillText(e.text,o,i)}}},{key:"moveCanvasDrawing",value:function(t){this.canvas.getContext("2d").translate(t.width,0)}},{key:"restoreCanvas",value:function(){this.canvas.getContext("2d").restore()}}]),t}();e.default=s},function(t,e,n){"use strict";function r(t){return t&&t.__esModule?t:{default:t}}Object.defineProperty(e,"__esModule",{value:!0});var o=n(42),i=r(o),a=n(45),u=r(a),s=n(44),f=r(s);e.default={CanvasRenderer:i.default,SVGRenderer:u.default,ObjectRenderer:f.default}},function(t,e,n){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var o=function(){function t(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,n,r){return n&&t(e.prototype,n),r&&t(e,r),e}}(),i=function(){function t(e,n,o){r(this,t),this.object=e,this.encodings=n,this.options=o}return o(t,[{key:"render",value:function(){this.object.encodings=this.encodings}}]),t}();e.default=i},function(t,e,n){"use strict";function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var o=function(){function t(t,e){for(var n=0;n<e.length;n++){var r=e[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,n,r){return n&&t(e.prototype,n),r&&t(e,r),e}}(),i=n(4),a=function(t){return t&&t.__esModule?t:{default:t}}(i),u=n(11),s="http://www.w3.org/2000/svg",f=function(){function t(e,n,o){r(this,t),this.svg=e,this.encodings=n,this.options=o,this.document=o.xmlDocument||document}return o(t,[{key:"render",value:function(){var t=this.options.marginLeft;this.prepareSVG();for(var e=0;e<this.encodings.length;e++){var n=this.encodings[e],r=(0,a.default)(this.options,n.options),o=this.createGroup(t,r.marginTop,this.svg);this.setGroupOptions(o,r),this.drawSvgBarcode(o,r,n),this.drawSVGText(o,r,n),t+=n.width}}},{key:"prepareSVG",value:function(){for(;this.svg.firstChild;)this.svg.removeChild(this.svg.firstChild);(0,u.calculateEncodingAttributes)(this.encodings,this.options);var t=(0,u.getTotalWidthOfEncodings)(this.encodings),e=(0,u.getMaximumHeightOfEncodings)(this.encodings),n=t+this.options.marginLeft+this.options.marginRight;this.setSvgAttributes(n,e),this.options.background&&this.drawRect(0,0,n,e,this.svg).setAttribute("style","fill:"+this.options.background+";")}},{key:"drawSvgBarcode",value:function(t,e,n){var r,o=n.data;r="top"==e.textPosition?e.fontSize+e.textMargin:0;for(var i=0,a=0,u=0;u<o.length;u++)a=u*e.width+n.barcodePadding,"1"===o[u]?i++:i>0&&(this.drawRect(a-e.width*i,r,e.width*i,e.height,t),i=0);i>0&&this.drawRect(a-e.width*(i-1),r,e.width*i,e.height,t)}},{key:"drawSVGText",value:function(t,e,n){var r=this.document.createElementNS(s,"text");if(e.displayValue){var o,i;r.setAttribute("style","font:"+e.fontOptions+" "+e.fontSize+"px "+e.font),i="top"==e.textPosition?e.fontSize-e.textMargin:e.height+e.textMargin+e.fontSize,"left"==e.textAlign||n.barcodePadding>0?(o=0,r.setAttribute("text-anchor","start")):"right"==e.textAlign?(o=n.width-1,r.setAttribute("text-anchor","end")):(o=n.width/2,r.setAttribute("text-anchor","middle")),r.setAttribute("x",o),r.setAttribute("y",i),r.appendChild(this.document.createTextNode(n.text)),t.appendChild(r)}}},{key:"setSvgAttributes",value:function(t,e){var n=this.svg;n.setAttribute("width",t+"px"),n.setAttribute("height",e+"px"),n.setAttribute("x","0px"),n.setAttribute("y","0px"),n.setAttribute("viewBox","0 0 "+t+" "+e),n.setAttribute("xmlns",s),n.setAttribute("version","1.1"),n.setAttribute("style","transform: translate(0,0)")}},{key:"createGroup",value:function(t,e,n){var r=this.document.createElementNS(s,"g");return r.setAttribute("transform","translate("+t+", "+e+")"),n.appendChild(r),r}},{key:"setGroupOptions",value:function(t,e){t.setAttribute("style","fill:"+e.lineColor+";")}},{key:"drawRect",value:function(t,e,n,r,o){var i=this.document.createElementNS(s,"rect");return i.setAttribute("x",t),i.setAttribute("y",e),i.setAttribute("width",n),i.setAttribute("height",r),o.appendChild(i),i}}]),t}();e.default=f}]);

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