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Implementing web page printing function based on jQuery_jquery

WBOY
WBOYOriginal
2016-05-16 15:28:311343browse

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<!DOCTYPE html>
<head>
 <meta charset="utf-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <title>index</title>
</head>
<body>
  
  <div style="text-align:center; margin-top: 30px">
    <div id="printArea">
      <div>......文本打印区域......</div>
      <div>......文本打印区域......</div>
      <div>......文本打印区域......</div>
      <div>......文本打印区域......</div>
      <div>......文本打印区域......</div>
    </div>  
  
    <br>
    <br>
  
    <input id="btnPrint" type="button" value="打印文本区域"></input> 
    <input id="btnPrintFull" type="button" value="全屏打印"></input> 
  </div>
</body>

<script src="js/jquery-2.1.4.js"></script>
<script src="js/jquery.PrintArea.min.js"></script> 

<script> 
  $("#btnPrint").click(function(){  
    $("#printArea").printArea(); 
  }); 

  $("#btnPrintFull").click(function(){  
    $("body").printArea(); 
  }); 
  
</script>

</html>

Code jquery.PrintArea.min.js: 

(function(c){function g(){var b="<head><title>"+d.popTitle+"</title>";c(document).find("link").filter(function(){return"stylesheet"==c(this).attr("rel").toLowerCase()}).filter(function(){var a=c(this).attr("media");return void 0==a&#63;!1:""==a.toLowerCase()||"print"==a.toLowerCase()}).each(function(){b+='<link type="text/css" rel="stylesheet" href="'+c(this).attr("href")+'" >'});return b+="</head>"}function h(b){return'<body><div class="'+c(b).attr("class")+'">'+c(b).html()+"</div></body>"}function k(b){c("input,select,textarea",b).each(function(){var a=c(this).attr("type");"radio"==a||"checkbox"==a&#63;c(this).is(":not(:checked)")&#63;this.removeAttribute("checked"):this.setAttribute("checked",!0):"text"==a&#63;this.setAttribute("value",c(this).val()):"select-multiple"==a||"select-one"==a&#63;c(this).find("option").each(function(){c(this).is(":not(:selected)")&#63;this.removeAttribute("selected"):this.setAttribute("selected",!0)}):"textarea"==a&&(a=c(this).attr("value"),c.browser.mozilla&#63;this.firstChild&#63;this.firstChild.textContent=a:this.textContent=a:this.innerHTML=a)});return b}function l(){var b=d.id,a;try{a=document.createElement("iframe"),document.body.appendChild(a),c(a).attr({style:"border:0;position:absolute;width:0px;height:0px;left:0px;top:0px;",id:b,src:""}),a.doc=null,a.doc=a.contentDocument&#63;a.contentDocument:a.contentWindow&#63;a.contentWindow.document:a.document}catch(e){throw e+". iframes may not be supported in this browser.";}if(null==a.doc)throw"Cannot find document.";return a}function m(){var b;b="location=no,statusbar=no,directories=no,menubar=no,titlebar=no,toolbar=no,dependent=no,width=595px,height=842px,top=0,left=0,toolbar=no,scrollbars=no,personalbar=no"+(",resizable=yes,screenX="+d.popX+",screenY="+d.popY+"");b=window.open("","_blank",b);b.doc=b.document;return b}var f=0,n={mode:"iframe",popHt:500,popWd:400,popX:200,popY:200,popTitle:"",popClose:!1},d={};c.fn.printArea=function(b){c.extend(d,n,b);f++;c("[id^=printArea_]").remove();b=k(c(this));d.id="printArea_"+f;var a,e;switch(d.mode){case"iframe":e=new l;a=e.doc;e=e.contentWindow||e;break;case"popup":e=new m,a=e.doc}a.open();a.write(("iframe"!=d.mode&&d.strict&#63;'<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01'+(0==d.strict&#63;" Trasitional":"")+'//EN" "http://www.w3.org/TR/html4/'+(0==d.strict&#63;"loose":"strict")+'.dtd">':"")+"<html>"+g()+h(b)+"</html>");a.close();e.focus();e.print();"popup"==d.mode&&d.popClose&&e.close()}})(jQuery);

2. Renderings

Print text area:

Full screen printing:

The window.print() method proposed by some experts is also possible, so I won’t introduce it one by one here. I hope everyone will seriously study the implementation method of the web page printing function, and the editor will make progress together with everyone.

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