如何删除已选中的这张图片？

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删除已选中的图片：xImage: function(res) { var that=this; var imgPart=that.data.imgPart; var imgUrls=that.data.imgUrls; var indexNum=res.currentTarget.dataset.index; imgPart.splice(indexNum, 1); imgUrls.s

gistfile1.txt

//删除一张已选中的图片 xImage: function (res){ var that = this; var imgPart = that.data.imgPart; var imgUrls = that.data.imgUrls; var indexNum = res.currentTarget.dataset.index; imgPart.splice(indexNum, 1); imgUrls.splice(indexNum, 1); that.setData({ imgPart, imgUrls }) },