CAD在网页中绘制批注

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function DoComment() {     // 出来一个对象，让用户输入文字.     var winWidth = 440;     var winHeight = 140;     var winLeft = (screen.width - winWidth) / 2;     var winTop = (screen.height - winHeight) / 2 - 20;       var str = 'dialogHeight:' + winHeight + 'px;dialogWidth:' + winWidth + 'px;dialogTop:' + winTop + 'px;dialogLeft:' + winLeft + 'px;resizable:yes;center:yes;status:no;'       var rt = window.showModalDialog("Gettext.htm?tmp=" + Math.random(), "输入文字", str);       var txt;       if (typeof (rt) == "undefined") {         return;     } else {         var arr = rt.split(",");         txt = arr[0];     }       // 加入换行操作符\\P     //txt = txt + "\\PTEST";     // 创建一个文字样式,用于批注文字字体.     mxOcx.AddTextStyle2("MyCommentFont","黑体",0.7);       // 创建一个与用户交互取点的对象。     var getPt = mxOcx.NewComObject("IMxDrawUiPrPoint");     getPt.message = "输入标注插入基点";       // 设置动态绘制参数.     /*var spDrawData = getPt.InitUserDraw("DrawComment");     spDrawData.SetString("Text", txt);     spDrawData.SetDouble("TextHeight", 100);       spDrawData.SetLong("EdgeNumber", 0);     spDrawData.SetDouble("ShapRadius", 300);*/       // 开始取第一个点。     if (getPt.go() != 1)         return;       // 创建一个与用户交互取点的对象。     var getSecondPt = mxOcx.NewComObject("IMxDrawUiPrPoint");       getSecondPt.message = "输入标注位置点";     getSecondPt.basePoint = getPt.value();       getSecondPt.setUseBasePt(false);       spDrawData = getSecondPt.InitUserDraw("DrawComment2");     // 设置动态绘制参数.     spDrawData.SetPoint("BasePoint", getPt.value());       spDrawData.SetString("Text", txt);     spDrawData.SetDouble("TextHeight", 100);       spDrawData.SetLong("EdgeNumber", 0);     spDrawData.SetDouble("ShapRadius", 300);       // 开始取第二个点。     if (getSecondPt.go() != 1)         return;         var ret = spDrawData.Draw();       // 设置绘制的批注文字样式。     for (var i = 0; i < ret.Count; i++)     {         var ent = ret.AtObject(i);                   ent.TextStyle = "MyCommentFont";         ent.colorIndex = 4;     }   }