String str = "";
int length = list.get(position).getImages().length();
for (int j = 0; j < length; j++) {
if(list.get(position).getImages().substring(j, j + 1).equals("|")) {
str = list.get(position).getImages().substring(j + 1, length).trim();
}
}
第二种方式更佳
String images = list.get(position).getImages();
Pattern pattern = Pattern.compile("\\|");
String[] img = pattern.split(images);
Uri uri = Uri.parse(img[0]);
gridViewHolder.mSimpleDraweeView.setImageURI(uri);