首页 前端知识 【jquery】jqprint插件实现打印功能:

【jquery】jqprint插件实现打印功能:

2024-04-20 17:04:16 前端知识 前端哥 833 819 我要收藏

文章目录

        • 一、效果:
        • image.png
        • 二、引入js文件:
            • 【1】jquery.jqprint-0.3.js
            • 【2】兼容高版本jquery 文件:jquery-migrate-1.2.1.min.js
        • 三、页面代码
        • 四、问题:


一、效果:
image.png
二、引入js文件:

版本:v 0.3
JQuery:适合所有版本jquery文件配合使用
适用:所有类型html页面

【1】jquery.jqprint-0.3.js
// -----------------------------------------------------------------------
// Eros Fratini - eros@recoding.it
// jqprint 0.3
//
// - 19/06/2009 - some new implementations, added Opera support
// - 11/05/2009 - first sketch
//
// Printing plug-in for jQuery, evolution of jPrintArea: http://plugins.jquery.com/project/jPrintArea
// requires jQuery 1.3.x
//
// Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
//------------------------------------------------------------------------

(function($) {
    var opt;

    $.fn.jqprint = function (options) {
        opt = $.extend({}, $.fn.jqprint.defaults, options);

        var $element = (this instanceof jQuery) ? this : $(this);
        
        if (opt.operaSupport && $.browser.opera) 
        { 
            var tab = window.open("","jqPrint-preview");
            tab.document.open();

            var doc = tab.document;
        }
        else 
        {
            var $iframe = $("<iframe  />");
        
            if (!opt.debug) { $iframe.css({ position: "absolute", width: "0px", height: "0px", left: "-600px", top: "-600px" }); }

            $iframe.appendTo("body");
            var doc = $iframe[0].contentWindow.document;
        }
        
        if (opt.importCSS)
        {
            if ($("link[media=print]").length > 0) 
            {
                $("link[media=print]").each( function() {
                    doc.write("<link type='text/css' rel='stylesheet' href='" + $(this).attr("href") + "' media='print' />");
                });
            }
            else 
            {
                $("link").each( function() {
                    doc.write("<link type='text/css' rel='stylesheet' href='" + $(this).attr("href") + "' />");
                });
            }
        }
        
        if (opt.printContainer) { doc.write($element.outer()); }
        else { $element.each( function() { doc.write($(this).html()); }); }
        
        doc.close();
        
        (opt.operaSupport && $.browser.opera ? tab : $iframe[0].contentWindow).focus();
        setTimeout( function() { (opt.operaSupport && $.browser.opera ? tab : $iframe[0].contentWindow).print(); if (tab) { tab.close(); } }, 1000);
    }
    
    $.fn.jqprint.defaults = {
		debug: false,
		importCSS: true, 
		printContainer: true,
		operaSupport: true
	};

    // Thanks to 9__, found at http://users.livejournal.com/9__/380664.html
    jQuery.fn.outer = function() {
      return $($('<div></div>').html(this.clone())).html();
    } 
})(jQuery);
【2】兼容高版本jquery 文件:jquery-migrate-1.2.1.min.js
/*! jQuery Migrate v1.2.1 | (c) 2005, 2013 jQuery Foundation, Inc. and other contributors | jquery.org/license */
jQuery.migrateMute===void 0&&(jQuery.migrateMute=!0),function(e,t,n){function r(n){var r=t.console;i[n]||(i[n]=!0,e.migrateWarnings.push(n),r&&r.warn&&!e.migrateMute&&(r.warn("JQMIGRATE: "+n),e.migrateTrace&&r.trace&&r.trace()))}function a(t,a,i,o){if(Object.defineProperty)try{return Object.defineProperty(t,a,{configurable:!0,enumerable:!0,get:function(){return r(o),i},set:function(e){r(o),i=e}}),n}catch(s){}e._definePropertyBroken=!0,t[a]=i}var i={};e.migrateWarnings=[],!e.migrateMute&&t.console&&t.console.log&&t.console.log("JQMIGRATE: Logging is active"),e.migrateTrace===n&&(e.migrateTrace=!0),e.migrateReset=function(){i={},e.migrateWarnings.length=0},"BackCompat"===document.compatMode&&r("jQuery is not compatible with Quirks Mode");var o=e("<input/>",{size:1}).attr("size")&&e.attrFn,s=e.attr,u=e.attrHooks.value&&e.attrHooks.value.get||function(){return null},c=e.attrHooks.value&&e.attrHooks.value.set||function(){return n},l=/^(?:input|button)$/i,d=/^[238]$/,p=/^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,f=/^(?:checked|selected)$/i;a(e,"attrFn",o||{},"jQuery.attrFn is deprecated"),e.attr=function(t,a,i,u){var c=a.toLowerCase(),g=t&&t.nodeType;return u&&(4>s.length&&r("jQuery.fn.attr( props, pass ) is deprecated"),t&&!d.test(g)&&(o?a in o:e.isFunction(e.fn[a])))?e(t)[a](i):("type"===a&&i!==n&&l.test(t.nodeName)&&t.parentNode&&r("Can't change the 'type' of an input or button in IE 6/7/8"),!e.attrHooks[c]&&p.test(c)&&(e.attrHooks[c]={get:function(t,r){var a,i=e.prop(t,r);return i===!0||"boolean"!=typeof i&&(a=t.getAttributeNode(r))&&a.nodeValue!==!1?r.toLowerCase():n},set:function(t,n,r){var a;return n===!1?e.removeAttr(t,r):(a=e.propFix[r]||r,a in t&&(t[a]=!0),t.setAttribute(r,r.toLowerCase())),r}},f.test(c)&&r("jQuery.fn.attr('"+c+"') may use property instead of attribute")),s.call(e,t,a,i))},e.attrHooks.value={get:function(e,t){var n=(e.nodeName||"").toLowerCase();return"button"===n?u.apply(this,arguments):("input"!==n&&"option"!==n&&r("jQuery.fn.attr('value') no longer gets properties"),t in e?e.value:null)},set:function(e,t){var a=(e.nodeName||"").toLowerCase();return"button"===a?c.apply(this,arguments):("input"!==a&&"option"!==a&&r("jQuery.fn.attr('value', val) no longer sets properties"),e.value=t,n)}};var g,h,v=e.fn.init,m=e.parseJSON,y=/^([^<]*)(<[\w\W]+>)([^>]*)$/;e.fn.init=function(t,n,a){var i;return t&&"string"==typeof t&&!e.isPlainObject(n)&&(i=y.exec(e.trim(t)))&&i[0]&&("<"!==t.charAt(0)&&r("$(html) HTML strings must start with '<' character"),i[3]&&r("$(html) HTML text after last tag is ignored"),"#"===i[0].charAt(0)&&(r("HTML string cannot start with a '#' character"),e.error("JQMIGRATE: Invalid selector string (XSS)")),n&&n.context&&(n=n.context),e.parseHTML)?v.call(this,e.parseHTML(i[2],n,!0),n,a):v.apply(this,arguments)},e.fn.init.prototype=e.fn,e.parseJSON=function(e){return e||null===e?m.apply(this,arguments):(r("jQuery.parseJSON requires a valid JSON string"),null)},e.uaMatch=function(e){e=e.toLowerCase();var t=/(chrome)[ \/]([\w.]+)/.exec(e)||/(webkit)[ \/]([\w.]+)/.exec(e)||/(opera)(?:.*version|)[ \/]([\w.]+)/.exec(e)||/(msie) ([\w.]+)/.exec(e)||0>e.indexOf("compatible")&&/(mozilla)(?:.*? rv:([\w.]+)|)/.exec(e)||[];return{browser:t[1]||"",version:t[2]||"0"}},e.browser||(g=e.uaMatch(navigator.userAgent),h={},g.browser&&(h[g.browser]=!0,h.version=g.version),h.chrome?h.webkit=!0:h.webkit&&(h.safari=!0),e.browser=h),a(e,"browser",e.browser,"jQuery.browser is deprecated"),e.sub=function(){function t(e,n){return new t.fn.init(e,n)}e.extend(!0,t,this),t.superclass=this,t.fn=t.prototype=this(),t.fn.constructor=t,t.sub=this.sub,t.fn.init=function(r,a){return a&&a instanceof e&&!(a instanceof t)&&(a=t(a)),e.fn.init.call(this,r,a,n)},t.fn.init.prototype=t.fn;var n=t(document);return r("jQuery.sub() is deprecated"),t},e.ajaxSetup({converters:{"text json":e.parseJSON}});var b=e.fn.data;e.fn.data=function(t){var a,i,o=this[0];return!o||"events"!==t||1!==arguments.length||(a=e.data(o,t),i=e._data(o,t),a!==n&&a!==i||i===n)?b.apply(this,arguments):(r("Use of jQuery.fn.data('events') is deprecated"),i)};var j=/\/(java|ecma)script/i,w=e.fn.andSelf||e.fn.addBack;e.fn.andSelf=function(){return r("jQuery.fn.andSelf() replaced by jQuery.fn.addBack()"),w.apply(this,arguments)},e.clean||(e.clean=function(t,a,i,o){a=a||document,a=!a.nodeType&&a[0]||a,a=a.ownerDocument||a,r("jQuery.clean() is deprecated");var s,u,c,l,d=[];if(e.merge(d,e.buildFragment(t,a).childNodes),i)for(c=function(e){return!e.type||j.test(e.type)?o?o.push(e.parentNode?e.parentNode.removeChild(e):e):i.appendChild(e):n},s=0;null!=(u=d[s]);s++)e.nodeName(u,"script")&&c(u)||(i.appendChild(u),u.getElementsByTagName!==n&&(l=e.grep(e.merge([],u.getElementsByTagName("script")),c),d.splice.apply(d,[s+1,0].concat(l)),s+=l.length));return d});var Q=e.event.add,x=e.event.remove,k=e.event.trigger,N=e.fn.toggle,T=e.fn.live,M=e.fn.die,S="ajaxStart|ajaxStop|ajaxSend|ajaxComplete|ajaxError|ajaxSuccess",C=RegExp("\\b(?:"+S+")\\b"),H=/(?:^|\s)hover(\.\S+|)\b/,A=function(t){return"string"!=typeof t||e.event.special.hover?t:(H.test(t)&&r("'hover' pseudo-event is deprecated, use 'mouseenter mouseleave'"),t&&t.replace(H,"mouseenter$1 mouseleave$1"))};e.event.props&&"attrChange"!==e.event.props[0]&&e.event.props.unshift("attrChange","attrName","relatedNode","srcElement"),e.event.dispatch&&a(e.event,"handle",e.event.dispatch,"jQuery.event.handle is undocumented and deprecated"),e.event.add=function(e,t,n,a,i){e!==document&&C.test(t)&&r("AJAX events should be attached to document: "+t),Q.call(this,e,A(t||""),n,a,i)},e.event.remove=function(e,t,n,r,a){x.call(this,e,A(t)||"",n,r,a)},e.fn.error=function(){var e=Array.prototype.slice.call(arguments,0);return r("jQuery.fn.error() is deprecated"),e.splice(0,0,"error"),arguments.length?this.bind.apply(this,e):(this.triggerHandler.apply(this,e),this)},e.fn.toggle=function(t,n){if(!e.isFunction(t)||!e.isFunction(n))return N.apply(this,arguments);r("jQuery.fn.toggle(handler, handler...) is deprecated");var a=arguments,i=t.guid||e.guid++,o=0,s=function(n){var r=(e._data(this,"lastToggle"+t.guid)||0)%o;return e._data(this,"lastToggle"+t.guid,r+1),n.preventDefault(),a[r].apply(this,arguments)||!1};for(s.guid=i;a.length>o;)a[o++].guid=i;return this.click(s)},e.fn.live=function(t,n,a){return r("jQuery.fn.live() is deprecated"),T?T.apply(this,arguments):(e(this.context).on(t,this.selector,n,a),this)},e.fn.die=function(t,n){return r("jQuery.fn.die() is deprecated"),M?M.apply(this,arguments):(e(this.context).off(t,this.selector||"**",n),this)},e.event.trigger=function(e,t,n,a){return n||C.test(e)||r("Global events are undocumented and deprecated"),k.call(this,e,t,n||document,a)},e.each(S.split("|"),function(t,n){e.event.special[n]={setup:function(){var t=this;return t!==document&&(e.event.add(document,n+"."+e.guid,function(){e.event.trigger(n,null,t,!0)}),e._data(this,n,e.guid++)),!1},teardown:function(){return this!==document&&e.event.remove(document,n+"."+e._data(this,n)),!1}}})}(jQuery,window);
三、页面代码
<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <title>打印演示</title>
</head>
<body>
  <div id="content">
    <table>
      <tr>
        <td>test</td>
        <td>test</td>
        <td>test</td>
        <td>test</td>
        <td>test</td>
      </tr>
      <tr>
        <td>test</td>
        <td>test</td>
        <td>test</td>
        <td>test</td>
        <td>test</td>
      </tr>
      <tr>
        <td>test</td>
        <td>test</td>
        <td>test</td>
        <td>test</td>
        <td>test</td>
      </tr>
      <tr>
        <td>test</td>
        <td>test</td>
        <td>test</td>
        <td>test</td>
        <td>test</td>
      </tr>
      <tr>
        <td>test</td>
        <td>test</td>
        <td>test</td>
        <td>test</td>
        <td>test</td>
      </tr>
    </table>
  </div>
	<input type="button" onclick="print()" value="打印"/>
  
  <script src="jquery-migrate-1.2.1.min.js"></script>
  <script src="jquery.jqprint-0.3.js"></script>
  <script>
		jQuery.browser = {};
		(function () {
			jQuery.browser.msie = false;
			jQuery.browser.version = 0;
			if (navigator.userAgent.match(/MSIE ([0-9]+)./)) {
				jQuery.browser.msie = true;
				jQuery.browser.version = RegExp.$1;
			}
		})();
	</script>
  <script>
    function print(){
    	$("#content").jqprint();  //注意:如果打印内容为空白,看#content是否设置display:none
    }
  </script>
</body>
</html>
四、问题:

image.png

【1】https://webscripts.softpedia.com/script/Modules/jQuery-Plugins/jqPrint-68448.html
【2】https://code.jquery.com/jquery-migrate-1.2.1.js

image.png

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