{"id":395,"date":"2006-10-18T09:10:53","date_gmt":"2006-10-18T01:10:53","guid":{"rendered":"http:\/\/fdream.net\/blog\/article\/395.aspx"},"modified":"2020-09-07T04:31:14","modified_gmt":"2020-09-07T04:31:14","slug":"ajax%e5%a4%a9%e6%b0%94%e9%a2%84%e6%8a%a5%e5%8f%8a%e6%96%87%e5%ad%97%e7%bc%93%e5%86%b2%e5%88%87%e6%8d%a2%e6%95%88%e6%9e%9c","status":"publish","type":"post","link":"https:\/\/fdream.net\/blog\/article\/395","title":{"rendered":"AJAX\u5929\u6c14\u9884\u62a5\u53ca\u6587\u5b57\u7f13\u51b2\u5207\u6362\u6548\u679c"},"content":{"rendered":"<p><img decoding=\"async\" src=\"http:\/\/fdream.net\/blog\/wp-content\/uploads\/2006\/10\/c02f_weatherwh.gif\" onload=\"ImageViewer.preProcess(this);\" \/><br \/>\u5929\u6c14\u9884\u62a5\u7684RSS\u95f2\u7f6e\u592a\u4e45\u4e86\uff0c\u5f88\u65e9\u5c31\u60f3\u5728\u9875\u9762\u4e0a\u505a\u4e2a\u5929\u6c14\u9884\u62a5\u7684\u4e1c\u4e1c\uff0c\u7528JS\u89e3\u6790\uff0c\u6b63\u597d\u8d81\u8fd9\u51e0\u5929\u628a\u8fd9\u4e2a\u7ed9\u89e3\u51b3\u4e86\u3002\u7f16\u7801\u7684\u95ee\u9898\u4f9d\u7136\u5f04\u4e86\u5f88\u4e45\uff0c\u4e0a\u6b21\u8bf4\u7684FSO\u53ef\u4ee5\u5199UTF-8\u6587\u4ef6\u5b9e\u9645\u4e0a\u662f\u9519\u8bef\u7684\uff0cFSO\u53ef\u4ee5\u5199Unicode\u6587\u4ef6\uff0c\u4f46\u662f\u4e0d\u80fd\u5199UTF-8\u6587\u4ef6\u3002Unicode\u4e0eUTF-8\u4e24\u8005\u8fd8\u662f\u4e0d\u540c\u7684\uff0c\u5177\u4f53\u533a\u522b\u8bf7\u770b\u8fd9\u91cc\uff1a<a href=\"http:\/\/www.linuxforum.net\/books\/UTF-8-Unicode.html\" target=\"_blank\" title=\"UTF-8 and Unicode FAQ\" rel=\"noopener noreferrer\">UTF-8 and Unicode FAQ<\/a>\u3002<\/p>\n<p>\u5bf9\u4e8eAJAX\uff0c\u987a\u4fbf\u63a8\u8350<a href=\"http:\/\/www.xujiwei.cn\" target=\"_blank\" title=\"HotHeart\" rel=\"noopener noreferrer\">HotHeart<\/a>\u7684\u51e0\u7bc7\u4e0a\u624b\u597d\u6587\uff08\u5747\u88ab<a href=\"http:\/\/www.blueidea.com\" target=\"_blank\" title=\"\u84dd\u8272\u7406\u60f3\" rel=\"noopener noreferrer\">\u84dd\u8272\u7406\u60f3<\/a>\u8f6c\u8f7d\uff09\uff1a<br \/><a href=\"http:\/\/www.xujiwei.cn\/blog\/blogview.asp?logID=430\" target=\"_blank\" title=\"AJAX\u521d\u4f53\u9a8c\u4e4b\u4e0a\u624b\u7bc7\" rel=\"noopener noreferrer\">AJAX\u521d\u4f53\u9a8c\u4e4b\u4e0a\u624b\u7bc7<\/a><br \/><a href=\"http:\/\/www.xujiwei.cn\/blog\/blogview.asp?logID=512\" target=\"_blank\" title=\"AJAX\u521d\u4f53\u9a8c\u4e4b\u5b9e\u6218\u7bc7\u2014\u2014\u6253\u9020\u535a\u5ba2\u65e0\u5237\u65b0\u641c\u7d22\" rel=\"noopener noreferrer\">AJAX\u521d\u4f53\u9a8c\u4e4b\u5b9e\u6218\u7bc7\u2014\u2014\u6253\u9020\u535a\u5ba2\u65e0\u5237\u65b0\u641c\u7d22<\/a><br \/><a href=\"http:\/\/www.xujiwei.cn\/blog\/blogview.asp?logID=541\" target=\"_blank\" title=\"\u4e00\u4e2a\u7b80\u5355\u7684AJAX\u8bf7\u6c42\u7c7b\" rel=\"noopener noreferrer\">\u4e00\u4e2a\u7b80\u5355\u7684AJAX\u8bf7\u6c42\u7c7b<\/a><\/p>\n<p>AJAX\u7684\u95ee\u9898\u6211\u5c31\u4e0d\u591a\u8bb2\u4e86\uff0c\u4e0a\u9762\u4e09\u7bc7\u6587\u7ae0\u5df2\u7ecf\u8bb2\u7684\u5f88\u6e05\u695a\uff0c\u5e76\u9644\u6709\u8be6\u5c3d\u7684\u4ee3\u7801\u6ce8\u91ca\u3002\u4e2d\u95f4\u53ea\u78b0\u5230\u4e00\u4e2aIE\u548cFirefox\u4e0bJS\u6267\u884c\u7ed3\u679c\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\uff0c\u5c31\u662f\u90a3\u4e2a\u4e0b\u62c9\u5217\u8868\u6846\u7684\u95ee\u9898\u3002\u4e0b\u62c9\u5217\u8868\u4e2d\u7684\u9009\u9879\u5e76\u6ca1\u6709\u521d\u59cb\u503c\uff0c\u800c\u662f\u901a\u8fc7JS\u6839\u636eXML\u6587\u4ef6\u4e2d\u7684\u57ce\u5e02\u540d\u79f0\u6765\u521b\u5efa\u7684\u3002\u5728\u521b\u5efaoption\u6807\u7b7e\u65f6\uff0c\u6700\u5f00\u59cb\u6211\u4f7f\u7528\u7684\u662f\u8fd9\u6837\u7684\u4ee3\u7801\uff1a<\/p>\n<blockquote>\n<p>\/\/city[i]\u6570\u7ec4\u4e2d\u5b58\u653e\u7684\u662f\u57ce\u5e02\u540d\u79f0<br \/>\/\/\u4e0b\u62c9\u5217\u8868\u7684ID\u4e3acity<br \/>var option=document.cr&#101;ateElement(&#8216;option&#8217;);<br \/>option.setAttribute(&#8220;value&#8221;,i+1);<br \/>option.innerText=city[i];<br \/>document.getElementById(&#8216;city&#8217;).appendChild(option);<\/p>\n<\/blockquote>\n<p>\u4f7f\u7528\u8fd9\u6837\u7684\u4ee3\u7801\u7684\u7ed3\u679c\u662f\uff0c\u5728IE\u4e0b\u4e00\u5207\u6b63\u5e38\uff0c\u800c\u5728Firefox\u4e0b\u4e0b\u62c9\u5217\u8868\u6240\u6709\u9009\u9879\u5747\u4e3a\u7a7a\u767d\uff0c\u4f46\u6bcf\u4e2a\u7a7a\u767d\u9009\u9879\u6709\u4e0d\u540c\u7684\u503c\u3002\u4e8e\u662f\u5c1d\u8bd5\u7740\u7528\u4e0b\u9762\u7684\u4ee3\u7801\uff0c\u7ed3\u679c\u5c31\u6b63\u5e38\u4e86\u3002\u5ffd\u7136\u60f3\u5230\uff0c\u4e0d\u77e5\u9053td\u6807\u7b7e\u662f\u4e0d\u662f\u4e5f\u662f\u8fd9\u6837\uff1f<\/p>\n<blockquote>\n<p>\/\/city[i]\u6570\u7ec4\u4e2d\u5b58\u653e\u7684\u662f\u57ce\u5e02\u540d\u79f0<br \/>\/\/\u4e0b\u62c9\u5217\u8868\u7684ID\u4e3acity<br \/>var option=document.cr&#101;ateElement(&#8216;option&#8217;);<br \/>option.setAttribute(&#8220;value&#8221;,i+1);<br \/>option.appendChild(document.cr&#101;ateTextNode(city[i])); <br \/>document.getElementById(&#8216;c&#8217;).appendChild(option);<\/p>\n<\/blockquote>\n<p>\u4e0b\u9762\u8fd8\u662f\u8bf4\u8bf4\u6587\u5b57\u7f13\u51b2\u6548\u679c\uff0c\u5c31\u5982\u516c\u544a\u680f\u4e2d\u5929\u6c14\u9884\u62a5\u7684\u6548\u679c\uff08\u5176\u5b9e\u9996\u9875\u6700\u8fd1\u66f4\u65b0\u6587\u7ae0\u4f7f\u7528\u7684\u6548\u679c\u66f4\u597d^_^\uff09\u3002<\/p>\n<p>\u5982\u679c\u505a\u8fc7flash\u7684\u7f13\u51b2\u6548\u679c\u7684\u8bdd\uff0c\u5e94\u8be5\u6bd4\u8f83\u597d\u7406\u89e3\u8fd9\u4e2a\uff0c\u56e0\u4e3a\u539f\u7406\u90fd\u662f\u5dee\u4e0d\u591a\u7684\uff0c\u53ea\u4e0d\u8fc7\u5b9e\u73b0\u7684\u65b9\u5f0f\u4e0d\u4e00\u6837\u3002\u57fa\u672c\u539f\u7406\u5c31\u662f\u6bcf\u6b21\u79fb\u52a8\u7684\u901f\u5ea6\u4e3a\u5269\u4e0b\u8ddd\u79bb\u7684\u51e0\u5206\u4e4b\u4e00\uff08\u6bd4\u59821\/3\uff09\u56e0\u4e3a\u8ddd\u79bb\u5728\u51cf\u5c11\uff0c\u6240\u4ee5\u6bcf\u6b21\u79fb\u52a8\u7684\u901f\u5ea6\u4f1a\u8d8a\u6765\u8d8a\u6162\uff0c\u4f2a\u7a0b\u5e8f\u5982\u4e0b\uff1a<\/p>\n<blockquote>\n<p>int now;\t\/\/\u5f53\u524d\u4f4d\u7f6e<br \/>int target;\t\/\/\u76ee\u6807\u4f4d\u7f6e<br \/>int speed;\t\/\/\u5f53\u524d\u8981\u79fb\u52a8\u7684\u901f\u5ea6\uff08\u8ddd\u79bb\uff09<br \/>int coefficient;\/\/\u7f13\u51b2\u7cfb\u6570\uff08\u8981\u6c42\u5927\u4e8e1\uff0c\u4e00\u822c\u90093\u523010\uff09<br \/>Repeat:\tspeed=(target-now)\/coefficient;<br \/>\tnow=now+speed;<br \/>\tif (now<target)\tgoto Repeat;<\/p>\n<\/blockquote>\n<p>\u6211\u5728\u5b9e\u73b0\u7684\u8fc7\u7a0b\u4e2d\uff0c\u53d1\u73b0\u7528scrollLeft\u603b\u662f\u51fa\u73b0\u4e00\u4e9b\u83ab\u540d\u5947\u5999\u7684\u95ee\u9898\uff08\u7f51\u4e0a\u6709\u5f88\u591a\u90fd\u662f\u7528\u8868\u683c\u5b9e\u73b0\u7684\uff0c\u4f46\u662f\u628a\u8868\u683c\u66ff\u6362\u6210div\u5c31\u4e0d\u884c\u4e86-_-\uff09\uff0c\u540e\u6765\u7ed3\u5408CSS\u7684\u7279\u6027\uff0c\u901a\u8fc7\u8bbe\u7f6e\uff08\u663e\u793a\u5757\u7684\uff09\u5916\u5c42\u7684overflow\u5c5e\u6027\u4e3ahidden\uff0c\u6539\u53d8\u663e\u793a\u5757\u7684margin-left\u5c5e\u6027\u6765\u9690\u85cf\u5de6\u4fa7\u7684\u6587\u5b57\uff0c\u5df2\u8fbe\u5230\u79fb\u52a8\u6548\u679c\u3002\u5177\u4f53\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\uff08\u5728IE 6.0\u548cFIrefox 1.5\u4e0b\u6d4b\u8bd5\u901a\u8fc7\uff09\uff1a<\/p>\n<blockquote>\n<p><!--\u7528\u6765\u663e\u793a\u5f53\u524d\u7684\u4f4d\u7f6e\u4fe1\u606f\uff0c\u53ef\u7701\u7565--><\/p>\n<div id=\"info\" style=\"float:left;padding:4px;background-color:#efc;width:240px;\">\u603b\u957f\u5ea6\uff1a0\uff1b\u5df2\u7ecf\u5de6\u79fb\uff1a0<\/div>\n<p><!--\u663e\u793a\u5757\u7684\u5916\u5c42\uff0coverflow\u5c5e\u6027\u4e0d\u53ef\u5c11\uff0c\u4e14\u5fc5\u987b\u4e3ahidden--><\/p>\n<div id=\"showblock\" style=\"float:left;padding:4px;background-color:#fec;width:420px;overflow:hidden\">\t<!--\u663e\u793a\u5185\u5bb9\u7684\u5757\uff0cspan\u53ef\u66ff\u6362\u4e3adiv--><br \/>\t<span id=\"news\" style=\"margin:0px;overflow:hidden\"><\/span><\/div>\n<p><script language=\"JavaScript1.2\"><br \/><!--<br \/>\/\/\u6eda\u52a8\u5185\u5bb9\u6570\u7ec4\uff0c\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u65b9\u5f0f\u521d\u59cb\u5316<br \/>var line=new Array();<br \/>line[0]=\"\u6b22\u8fce\u5149\u4e34\u6211\u7684\u535a\u5ba2\uff01\";<br \/>line[1]=\"\u5176\u5b9e\u8fd9\u4e2a\u6587\u5b57\u7f13\u51b2\u6548\u679c\u8fd8\u662f\u86ee\u597d\u73a9\u7684\uff0c\u5475\u5475\";<br \/>line[2]=\"\u5982\u679c\u6587\u5b57\u592a\u77ed\u4e86\u5c31\u6ca1\u6709\u591a\u5927\u610f\u601d\u4e86\";<br \/>line[3]=\"\u4e0d\u4fe1\u8bd5\u8bd5\";<br \/>line[4]=\"\u662f\u5427\uff01\u4f46\u662f\u4e5f\u4e0d\u80fd\u592a\u957f\u54e6\";<\/script><\/p>\n\n\n\n<p>var lines=line.length;\t\/\/\u5f97\u5230\u6807\u9898\u7684\u6761\u6570<\/p>\n\n\n\n<p>var temp=\"\";\t\t\/\/\u663e\u793a\u8fc7\u7a0b\u4e2d\u7528\u5230\u7684\u5b57\u7b26\u4e32<br \/>var nextchar=-1;\t\/\/\u4e0b\u4e00\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e<br \/>var nextline=0;\t\t\/\/\u5c06\u8981\u663e\u793a\u7684\u6807\u9898\u5728\u6570\u7ec4\u4e2d\u7684\u4f4d\u7f6e<br \/>var timeout=20;\t\t\/\/\u663e\u793a\u4e24\u4e2a\u5b57\u7b26\u4e4b\u95f4\u7684\u95f4\u9694\u65f6\u95f4<br \/>var remove=true;\t\/\/\u5f53\u524d\u884c\u662f\u5426\u5df2\u7ecf\u79fb\u9664\uff0ctrue\u4e3a\u5df2\u7ecf\u79fb\u9664<\/p>\n\n\n\n<p>var lineLength = 0;\t\/\/\u6807\u9898\u7684\u957f\u5ea6<br \/>var moveSpeed = 0;\t\/\/\u6bcf\u6b21\u6eda\u52a8\u7684\u957f\u5ea6\uff0c\u50cf\u7d20<br \/>var leftLength=lineLength;\t\/\/\u5269\u4f59\u957f\u5ea6<br \/>var nowLength=0; \t\/\/\u5df2\u7ecf\u79fb\u52a8\u7684\u957f\u5ea6\uff0c\u5373margin-left\u7684\u503c\uff0c\u4e3a\u8d1f\u6570<\/p>\n\n\n\n<p>\/\/\u79fb\u52a8\u5b57\u7b26\u4e32<br \/>function move() {<br \/>\tmoveSpeed=leftLength\/10; \t\/\/\u79fb\u52a8\u901f\u5ea6\uff0c\u8fd9\u91cc\u7684\u7cfb\u6570\u9009\u7684\u662f10<br \/>\tnowLength=parseInt(nowLength)-moveSpeed;\t\/\/\u7531\u4e8e\u5f80\u5de6\u79fb\u4e3a\u8d1f\u6570\uff0c\u6240\u4ee5\u7528\u51cf\u53f7<br \/>\tdocument.getElementById(\"news\").style.marginLeft = nowLength+\"px\";\t\/\/\u6539\u53d8\u663e\u793a\u5757\u7684margin-left\u5c5e\u6027\u503c<br \/>\tleftLength=lineLength+parseInt(nowLength);\t\/\/\u8ba1\u7b97\u5269\u4f59\u957f\u5ea6<br \/>}<\/p>\n\n\n\n<p>\/\/\u63a7\u5236\u5b57\u7b26\u7684\u663e\u793a\u548c\u79fb\u9664<br \/>function animate(){<br \/>\t\/\/\u5982\u679c\u4e00\u884c\u5df2\u7ecf\u663e\u793a\u5b8c<br \/>\tif(temp==line[nextline]&temp.length==line[nextline].length){<br \/>\t\t\/\/\u5224\u65ad\u8be5\u884c\u662f\u5426\u5df2\u7ecf\u79fb\u9664<br \/>\t\tif(remove){<br \/>\t\t\t\/\/\u5982\u679c\u5df2\u7ecf\u79fb\u9664\uff0c\u51c6\u5907\u663e\u793a\u4e0b\u4e00\u6761<br \/>\t\t\tlineLength =line[nextline].length*14;<br \/>\t\t\tnowLength=0;<br \/>\t\t\tif(nextline!=lines){<br \/>\t\t\t\tnextline++;<br \/>\t\t\t}<br \/>\t\t\telse{<br \/>\t\t\t\tnextline=0;<br \/>\t\t\t}<br \/>\t\t\tremove=false;<br \/>\t\t\tnextchar=-1;<br \/>\t\t\tdocument.getElementById(\"news\").innerHTML=temp;<br \/>\t\t\ttemp=\"\";<br \/>\t\t}<br \/>\t\t\/\/\u5982\u679c\u4e00\u884c\u5df2\u7ecf\u663e\u793a\u5b8c\uff0c\u8fc7\u4e24\u79d2\u518d\u6267\u884c\u4e0b\u4e00\u6b65<br \/>\t\tsetTimeout(\"nextstep()\",2000);<br \/>\t}<br \/>\t\/\/\u5982\u679c\u6ca1\u6709\u663e\u793a\u5b8c\uff0c\u7ee7\u7eed\u663e\u793a<br \/>\telse{<br \/>\t\tdocument.getElementById(\"news\").style.marginLeft=0;<br \/>\t\tnextstep();<br \/>\t}<br \/>}<\/p>\n\n\n\n<p>\/\/\u5982\u679c\u6ca1\u6709\u663e\u793a\u5b8c\u6bd5\uff0c\u5219\u9010\u4e2a\u5b57\u7b26\u5730\u6253\u5370\u8981\u663e\u793a\u7684\u6807\u9898<br \/>\/\/\u5982\u679c\u5df2\u7ecf\u663e\u793a\u5b8c\u6bd5\uff0c\u5219\u9010\u51cf\u79fb\u9664\u6807\u9898<br \/>function nextstep(){<br \/>\t\/\/\u5982\u679c\u5df2\u7ecf\u663e\u793a\u5b8c\uff0c\u4e14\u6ca1\u6709\u79fb\u9664<br \/>\tif(!remove){\t<br \/>\t\t\/\/\u5982\u679c\u79fb\u52a8\u7684\u8ddd\u79bb\u63a5\u8fd1\uff08\u7531\u4e8e\u5404\u65b9\u9762\u8bef\u5dee\u7684\u5b58\u5728\uff0c\u53ea\u80fd\u9009\u63a5\u8fd1\uff09\u6807\u9898\u957f\u5ea6\uff0c\u5219\u5224\u65ad\u5df2\u7ecf\u79fb\u52a8\u5b8c\u6bd5\uff0c\u5e76\u5f00\u59cb\u663e\u793a\u4e0b\u4e00\u6761<br \/>\t\t\/\/\u8fd9\u91cc\u9009\u7684\u8bef\u5dee\u50cf\u7d20\u4e3a10\uff0c\u5373\u79fb\u52a8\u8ddd\u79bb\u6bd4\u5b9e\u9645\u957f\u5ea6\u5c0f\u4e8e10\u65f6\uff0c\u5219\u5224\u65ad\u79fb\u9664\u5b8c\u6bd5<br \/>\t\tif(nowLength<(10-lineLength)){<br \/>\t\t\tremove=true;<br \/>\t\t\ttemp=\"\";<br \/>\t\t\tanimate();<br \/>\t\t}<br \/>\t\t\/\/\u5982\u679c\u6ca1\u6709\u79fb\u9664\u5b8c\u6bd5\uff0c\u5219\u7ee7\u7eed\u79fb\u9664<br \/>\t\telse{<br \/>\t\t\tmove();<br \/>\t\t\tdocument.getElementById(\"info\").innerHTML=\"\u603b\u957f\u5ea6\uff1a\"+lineLength+\"\uff1b\"+\"\u5df2\u7ecf\u5de6\u79fb\uff1a\"+(-nowLength);<br \/>\t\t\t\/\/\u4e0b\u4e00\u6b21\u79fb\u9664\u7684\u65f6\u95f4\u662f20\u6beb\u79d2\u4ee5\u540e<br \/>\t\t\tsetTimeout(\"animate()\",20);<br \/>\t\t}<br \/>\t}<br \/>\t\/\/\u5982\u679c\u6ca1\u6709\u663e\u793a\u5b8c\uff0c\u7ee7\u7eed\u663e\u793a\u4e0b\u4e00\u6761<br \/>\telse{<br \/>\t\tnextchar++;<br 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\/>window.onload=animate;<br \/>\/\/ --><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u5929\u6c14\u9884\u62a5\u7684RSS\u95f2\u7f6e\u592a\u4e45\u4e86\uff0c\u5f88\u65e9\u5c31\u60f3\u5728\u9875\u9762\u4e0a\u505a\u4e2a\u5929\u6c14\u9884\u62a5\u7684\u4e1c\u4e1c\uff0c\u7528JS\u89e3\u6790\uff0c\u6b63\u597d\u8d81\u8fd9\u51e0\u5929\u628a\u8fd9\u4e2a\u7ed9\u89e3\u51b3\u4e86\u3002\u7f16\u7801\u7684\u95ee\u9898\u4f9d\u7136\u5f04\u4e86\u5f88\u4e45\uff0c\u4e0a\u6b21\u8bf4\u7684FSO\u53ef\u4ee5\u5199UTF-8\u6587\u4ef6\u5b9e\u9645\u4e0a\u662f\u9519\u8bef\u7684\uff0cFSO\u53ef\u4ee5\u5199Unicode\u6587\u4ef6\uff0c\u4f46\u662f\u4e0d\u80fd\u5199UTF-8\u6587\u4ef6\u3002Unicode\u4e0eUTF-8\u4e24\u8005\u8fd8\u662f\u4e0d\u540c\u7684\uff0c\u5177\u4f53\u533a\u522b\u8bf7\u770b\u8fd9\u91cc\uff1aUTF-8 and Unicode FAQ\u3002 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