增加针对background后缀含有'?__spriter'才去做spriter

Author: iwx

lib/map-over-styles-and-transform-background-image-declarations.js

@@ -45,15 +45,18 @@ function mapOverStylesAndTransformAllBackgroundImageDeclarations(styles, cb) {
 				var transformedDeclaration = extend(true, {}, declaration);
 				transformedDeclaration = attachInfoToDeclaration(declarations, declarationIndex);
 
-				// background-image always has a url
-				if(transformedDeclaration.property === 'background-image') {
+				// background-image always has a url且判断url是否有?__spriter后缀
+				if(transformedDeclaration.property === 'background-image' && /\?__spriter/i.test(transformedDeclaration.value)){
+					transformedDeclaration.value=transformedDeclaration.value.replace('?__spriter','');
 					return cb(transformedDeclaration, declarationIndex, declarations);
 				}
-				// Background is a shorthand property so make sure `url()` is in there
-				else if(transformedDeclaration.property === 'background') {
-					var hasImageValue = spriterUtil.backgroundURLRegex.test(transformedDeclaration.value);
+				// Background is a shorthand property so make sure `url()` is in there 且判断url是否有?__spriter后缀
+				else if(transformedDeclaration.property === 'background' && /\?__spriter/i.test(transformedDeclaration.value)){
 
-					if(hasImageValue) {
+					transformedDeclaration.value = transformedDeclaration.value.replace('?__spriter','');
+					varhasImageValue = spriterUtil.backgroundURLRegex.test(transformedDeclaration.value);
+
+					if(hasImageValue){
 						return cb(transformedDeclaration, declarationIndex, declarations);
 					}
 				}