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				@@ -685,42 +685,6 @@ var sheetCommonObj = { 
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				         } 
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				         //sheet.setCellType(row, col,this.getSelectButton(header.headerWidth),GC.Spread.Sheets.SheetArea.viewport); 
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				     }, 
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				- 
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				-    paintCusButtonImage:function(ctx, value, x, y, w, h, style, options){ 
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				-        if (options.sheet.getActiveRowIndex() == options.row && options.sheet.getActiveColumnIndex() == options.col) { 
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				-            var image = document.getElementById('f_btn'), imageMagin = 3; 
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				-            var imageHeight = 15; 
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				-            var imageWidth = 25; 
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				-            var imageX = x + w - imageWidth - imageMagin, imageY = y + h / 2 - imageHeight / 2; 
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				-            ctx.save(); 
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				-           /* 2020-12-16 这里原先是还原背景色的,发现不需要了,先观察  
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				-            if (style.backColor) { 
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				-                ctx.fillStyle = style.backColor; 
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				-                ctx.fillRect(x, y, w, h); 
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				-            }  
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				-            */ 
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				-            ctx.drawImage(image, imageX, imageY, imageWidth, imageHeight); 
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				-            ctx.beginPath(); 
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				-            ctx.arc(imageX + imageWidth / 2, imageY + imageHeight / 2, 1, 0, 360, false); 
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				-            ctx.arc(imageX + imageWidth / 2 - 4, imageY + imageHeight / 2, 1, 0, 360, false); 
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				-            ctx.arc(imageX + imageWidth / 2 + 4, imageY + imageHeight / 2, 1, 0, 360, false); 
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				-            ctx.fillStyle = "black";//填充颜色,默认是黑色 
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				-            ctx.fill();//画实心圆 
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				-            ctx.closePath(); 
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				-            ctx.restore(); 
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				-            w = w - imageWidth - imageMagin; 
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				-            //这里的左对齐的,当显示的字长度超过空白地方时,要改成右对齐 
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				-            if (style.hAlign == 0) { 
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				-                if (value) { 
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				-                    let textWidth = ctx.measureText(value).width; 
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				-                    let spaceWidth = w; 
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				-                    if (spaceWidth < textWidth) { 
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				-                        style.hAlign = 2; 
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				-                    } 
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				-                } 
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				-            } 
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				-        } 
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				-    }, 
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				     getCusButtonCellType: function (callback, readOnly = false, ostyle) { 
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				         var ns = GC.Spread.Sheets; 
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				@@ -730,7 +694,39 @@ var sheetCommonObj = { 
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				         CusButtonCellType.prototype = new ns.CellTypes.Text(); 
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				         CusButtonCellType.prototype.paint = function (ctx, value, x, y, w, h, style, options) { 
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				             if (!readOnly) { 
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				-                sheetCommonObj.paintCusButtonImage(ctx, value, x, y, w, h, style, options); 
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				+                if (options.sheet.getActiveRowIndex() == options.row && options.sheet.getActiveColumnIndex() == options.col) { 
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				+                    var image = document.getElementById('f_btn'), imageMagin = 3; 
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				+                    var imageHeight = 15; 
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				+                    var imageWidth = 25; 
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				+                    var imageX = x + w - imageWidth - imageMagin, imageY = y + h / 2 - imageHeight / 2; 
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				+                    ctx.save(); 
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				+                   /* 2020-12-16 这里原先是还原背景色的,发现不需要了,先观察  
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				+                    if (style.backColor) { 
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				+                        ctx.fillStyle = style.backColor; 
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				+                        ctx.fillRect(x, y, w, h); 
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				+                    }  
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				+                    */ 
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				+                    ctx.drawImage(image, imageX, imageY, imageWidth, imageHeight); 
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				+                    ctx.beginPath(); 
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				+                    ctx.arc(imageX + imageWidth / 2, imageY + imageHeight / 2, 1, 0, 360, false); 
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				+                    ctx.arc(imageX + imageWidth / 2 - 4, imageY + imageHeight / 2, 1, 0, 360, false); 
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				+                    ctx.arc(imageX + imageWidth / 2 + 4, imageY + imageHeight / 2, 1, 0, 360, false); 
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				+                    ctx.fillStyle = "black";//填充颜色,默认是黑色 
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				+                    ctx.fill();//画实心圆 
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				+                    ctx.closePath(); 
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				+                    ctx.restore(); 
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				+                    w = w - imageWidth - imageMagin; 
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				+                    //这里的左对齐的,当显示的字长度超过空白地方时,要改成右对齐 
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				+                    if (style.hAlign == 0) { 
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				+                        if (value) { 
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				+                            let textWidth = ctx.measureText(value).width; 
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				+                            let spaceWidth = w; 
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				+                            if (spaceWidth < textWidth) { 
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				+                                style.hAlign = 2; 
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				+                            } 
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				+                        } 
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				+                    } 
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				+                } 
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				             } 
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				             if (ostyle) gljUtil.setProperty(style, ostyle); 
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				             GC.Spread.Sheets.CellTypes.Text.prototype.paint.apply(this, arguments); 
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