继续浏览精彩内容
慕课网APP
程序员的梦工厂
打开
继续
感谢您的支持,我会继续努力的
赞赏金额会直接到老师账户
将二维码发送给自己后长按识别
微信支付
支付宝支付

异步加载统计图组件(jquery+css+div)

ios开发零基础入门
关注TA
已关注
手记 265
粉丝 20
获赞 110

 

===============zimg.html代码===============

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>异步加载统计图组件(jquery)</title> </head> <script type="text/javascript" src="http://code.jquery.com/jquery-1.6.3.min.js"></script> <script language="javascript"> jQuery(function(){     var i = 0;//起始索引     var o = $(".images");//统计图对象     var l = o.length;//统计图的数量     var options = new Object;//统计图参数         odrImage(i);//执行     function odrImage(i){         var oi = o.eq(i);         if(i<l){             $.get("data.php",{"oid":oi.attr("oid")},function(data){//异步加载                      if(data){                          //options.maxval = 1000;//纵轴最大值,默认是自动算                          options.title = "城市消费统计图-"+i; //标题                          options.datas = jQuery.parseJSON(data);//数据                          oi.empty().zImage(options);                                              odrImage(++i)                      }               })                  }         return false;     }      })     </script>  <body> <div class="images" oid="258" ></div> <div class="images" oid="257"></div> <div class="images" oid="253"></div> </body> </html>    <script language="javascript"> //统计图组件 (function($){        $.fn.zImage = function(options){         if(!(options instanceof Object)){alert("参数是个对象");return false;}         var title = 'title' in options ? options.title : "标题";         var datas = options.hasOwnProperty('datas') ? options.datas : [];         var total = $.itotal(datas);//总数                  var length = total.length;//数组长度         var datas = total.data;//数据         var tags = total.tag;//标签         var hrefs = total.href;//连接         var colors = total.color;//颜色         //============画布         var canvas = new Object();         var cW = 430;//画布的宽         var cH = 250;//画布的高         var canvasStyle;         //默认样式         if('canvas' in options){             cW = options.canvas.width ? parseInt(options.canvas.width) : cW;             cH = options.canvas.height ? parseInt(options.canvas.height) : cH;             canvasStyle = options.canvas         }                canvas.defaults = {width:cW+"px",height:cH+"px",background:"#FFFFFF",position:"relative"};         var opts = $.extend(canvas.defaults,canvasStyle);         this.css(opts);         //===========标题         var tH = 30;//标题的高         var tT = 20;//向上偏移量         var titleT = $("<div>").css({"position":"relative","text-align":"center","height":tH+"px","font-size":"24px","font-weight":"bold","top":tT+"px"}).text(title);         this.append(titleT);               //===========X轴网格                var lineX;//X轴网格线         var tagX;//x轴tag         var lxB;//每个网格的下偏移量         var xB = 30;//下偏移量         var xL = 50;//左偏移量                var lxS = 'numx' in options ? options.numx :6;//网格的数量                var txW = 'xw' in options ? options.xw :20;//调节网格间隔基数         var lxW = (cH-tH-tT-xB-20)/lxS;//网格间隔         var xW = cW-xL-5;//x轴的长度              var showSize;//Y轴显示的最大值         if('maxval' in options){             showSize = options.maxval;         }else{//自动判断Y轴的最大值             showSize = total.mval;             var sl = String(showSize).length;             var sj = new Array(sl).join("0");             var sc = parseInt("1"+sj);             var ss;                        for(var f=1;f<100;f++){                 ss = f*sc*lxS;                 if(ss > showSize){                     showSize = ss;                     break;                 }             }         }         var tD = showSize/lxS;//y轴上显示的基数         var bg;         for(var i=0;i<=lxS;i++){             lxB = (i * lxW)+xB;             tagD = Math.round(i*tD);             bg = i==0 ? "#000000":"#CCCCCC";             lineX = $("<div>").css({width:xW+"px",height:"1px",left:xL+"px",background:bg,position:"absolute",bottom:lxB+"px","font-size":"0px","overflow":"hidden"});             tagX = $("<div>").css({position:"absolute",bottom:lxB+"px",right:(xW+8)+"px","font-size":".8em","color":"#333333","line-height":".8em"}).text(tagD);             this.append(lineX).append(tagX);         }          //===========Y轴网格                        var lineY;//Y轴网格线         var tagY;//Y轴tag         var sizeY;//数据上显示的数值         var sizeHref;//数值上的链接                var lyL;//每个网格的左偏移量               var yH = lxW*lxS;//y轴的高         var yL = 50;//左偏移量         var lyS = length;//网格数量         var lyW = (cW-xL-10)/lyS;//网格间隔         var tdW = 'dw' in options ?options.dw : 20;//调节数据宽度基数         var dW = (lyW-tdW)>0 ? (lyW-tdW-10) :  lyW-10;//数据宽度         var yB = xB;//y轴下偏移量         var dH;//数据的高度         var dC;//数据的颜色         for(var i=0;i<=lyS;i++){             lyL = (i * lyW)+yL;                  bg=i==0?"#000000":"#CCCCCC";             if(i>0){                                dH = Math.round(datas[i]*lxW/tD);                      dC = colors[i]?    colors[i] : "#FF6600";                 dataY = $("<div>").css({width:dW+"px",height:dH+"px",background:dC,position:"absolute",left:(lyL-(dW+lyW)/2)+"px",bottom:yB+"px","font-size":"0px","overflow":"hidden"});                 tagY = $("<div>").css({position:"absolute",left:(lyL-lyW)+"px",bottom:(yB-20)+"px","text-align":"center",width:lyW+"px","font-size":".8em","color":"#333333"}).text(tags[i]);                 sizeHref = $("<a>").attr({"target":"_blank","href":hrefs[i],'title':tags[i]}).text(datas[i]).css({"text-decoration":"none","color":"#0099CC","font-size":".8em"}).hover(function (){$(this).css("color","#FF0000");},function (){$(this).css("color","#0099CC");});                 sizeY = $("<div>").css({position:"absolute",left:(lyL-lyW)+"px",bottom:(yB+dH+5)+"px","text-align":"center",width:lyW+"px"}).html(sizeHref);                 this.append(tagY).append(dataY).append(sizeY);             }             lineY = $("<div>").css({width:"1px",height:yH+"px",background:bg,position:"absolute",left:lyL+"px",bottom:yB+"px"});             this.append(lineY);                }        }     //计算数据总值     $.itotal = function(array){         var length = 0;         var color = [0];         var href =[0];         var tag = [0];         var data = [0];         var mval = 0;                var dt = 0;         $.each(array,function(k,v){                    length++;             dt = parseInt(v['data']);             mval = mval > dt ? mval:dt;             data.push(dt);             href.push(v['href']);                        color.push(v['color']);                        tag.push(k);         })         //console.log(data);         return {"mval":mval,"length":length,"data":data,"tag":tag,"href":href,"color":color};     }     //取最大值     $.maxval = function(array){          var sarray = array.sort(function(a, b){return b-a;});          return sarray[0];     }               })(jQuery) </script>

       

===============data.php数据===============

header( 'Content-type: text/html;charset=utf-8' );//设置页面编码 //图一 $cy["258"]["北京"] = array("data"=>500,"href"=>"http://www.baidu.com/s?wd=北京","color"=>"#FF0000"); $cy["258"]["上海"] = array("data"=>800,"href"=>"http://www.baidu.com/s?wd=上海","color"=>"#00FF00"); $cy["258"]["深圳"] = array("data"=>700,"href"=>"http://www.baidu.com/s?wd=深圳","color"=>"#0000FF"); //图二 $cy["257"]["北京"] = array("data"=>500,"href"=>"http://www.baidu.com/s?wd=北京","color"=>"#FF0000"); $cy["257"]["深圳"] = array("data"=>700,"href"=>"http://www.baidu.com/s?wd=深圳","color"=>"#0000FF"); $cy["257"]["天津"] = array("data"=>300,"href"=>"http://www.baidu.com/s?wd=天津","color"=>"#FFFF00"); //图三 $cy["253"]["北京"] = array("data"=>500,"href"=>"http://www.baidu.com/s?wd=北京","color"=>"#FF0000"); $cy["253"]["上海"] = array("data"=>800,"href"=>"http://www.baidu.com/s?wd=上海","color"=>"#00FF00"); $cy["253"]["深圳"] = array("data"=>700,"href"=>"http://www.baidu.com/s?wd=深圳","color"=>"#0000FF"); $cy["253"]["天津"] = array("data"=>300,"href"=>"http://www.baidu.com/s?wd=天津","color"=>"#FFFF00");  if($ct = $cy[$_GET["oid"]]){echo json_encode($ct);} sleep(1);

     

打开App,阅读手记
0人推荐
发表评论
随时随地看视频慕课网APP