开发常用工具网址

1、小程序中图片转成64位的

转换地址：

http://tool.chinaz.com/tools/imgtobase/

css样式：

.left-menu .li .menu-text .icon{
  display: inline-block;
  width: 20rpx;
  height: 10rpx;
  background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAKCAYAAAC0VX7mAAABMUlEQVQ4T53RzysEYRzH8ff3sUdm9p9xUHtQDrTtzCzKwVFSUvZAodiDvayiUFIUNwclOzPbxkEpysE/szPruJ5HlsWyP/A9Pn0+r/p+H6HXBNEg2hw2Ykrmce3HbhXp6oXxEFpfAccgAmYWpcZwrIdOvc5gEKcwugKyi2fnG4AfFcDkEJXGte7boe3BsDaMfi6DbOHZhZaiH22AWUH1ZXAGbr+jP8HwaQRdDzAUyCaLbVfzq2vAOirh4vTffM20guVolLq5RKk8rrXd9b5BvIzWmyRknIx93cx+gmGURnMBrOLZe70+//2mOaCIYhLHrry+vYF+7II5x7BE1j74FdYMlaIFhB2QKTwrEPzaBOgzMIt4yaM/Yc2wX50D2Qc1LZSiU0Tu8KyTf2EfaDyD6NQLxKZeQVrdp2kAAAAASUVORK5CYII=) 
  center no-repeat;
  background-size: 100%;
  vertical-align: middle;
  transform: rotate(180deg);
  transition: transform 0.2s;
}