• 将图片资源一个个拽到 XCode 实在太麻烦了，于是我想用 Shell 脚本实现一劳永逸的方案。下面以某个 iPad 工程的情景为例去编写脚本（只用到 @2x 的图片）。

xcassets.sh

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#!/bin/bash

json_file="/Users/fang/Lab/Shell/xcassets/Contents.json"
orig_path="/Users/fang/Lab/Shell/xcassets/images"
dest_path="/Users/fang/Lab/iOS/TestProject/Images.xcassets"

imgs=`find $orig_path -name "*@2x.*"`
for img in $imgs; do
    filename=`basename $img`
    img_name="${filename%@*}"

    folder="$dest_path/$img_name.imageset"
    if [ ! -d $folder ]; then
        mkdir $folder
    fi

    cp -r $img $folder
    cp -r $json_file $folder
    sed -e 's/\$FILE_NAME/'$img_name'/g' $json_file > "$folder/Contents.json"
done

Contents.json

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{
  "images" : [
    {
      "idiom" : "universal",
      "scale" : "1x"
    },
    {
      "idiom" : "universal",
      "scale" : "2x",
      "filename" : "$FILE_NAME@2x.png"
    },
    {
      "idiom" : "universal",
      "scale" : "3x"
    }
  ],
  "info" : {
    "version" : 1,
    "author" : "xcode"
  }
}