我需要使用苹果API https://search.itunes.apple.com/WebObjects/MZSearchHints.woa/wa/trends获取热搜索关键字，
并设置值 {"X-Apple-Store-Front": "143465-19, 30"} 在 http\nheaders 中，如果我将“X-Apple-Store-Front”设置为“143465-19,30”，结果是
{\n "header": {\n "label": "\xe7\x83\xad\xe9\x97\xa8\xe6\x90\x9c\xe7\xb4\xa2"\n },\n "trendingSearches": [\n {\n "label": "\xe8\x9c\x9c\xe8\x8a\xbd",\n "url": "https://search.itunes.apple.com/WebObjects/MZStore.woa/wa/search?clientApplication=Software&src=trending&term=%E8%9C%9C%E8%8A%BD"\n },\n {\n "label": "qq",\n "url": "https://search.itunes.apple.com/WebObjects/MZStore.woa/wa/search?clientApplication=Software&src=trending&term=qq"\n },\n {\n "label": "\xe8\x85\xbe\xe8\xae\xaf\xe8\xa7\x86\xe9\xa2\x91",\n "url": "https://search.itunes.apple.com/WebObjects/MZStore.woa/wa/search?clientApplication=Software&src=trending&term=%E8%85%BE%E8%AE%AF%E8%A7%86%E9%A2%91"\n },\n {\n "label": "\xe5\xbe\xae\xe4\xbf\xa1",\n "url": "https://search.itunes.apple.com/WebObjects/MZStore.woa/wa/search?clientApplication=Software&src=trending&term=%E5%BE%AE%E4%BF%A1"\n },\n {\n "label": "\xe7\x88\xb1\xe5\xa5\x87\xe8\x89\xba",\n "url": "https://search.itunes.apple.com/WebObjects/MZStore.woa/wa/search?clientApplication=Software&src=trending&term=%E7%88%B1%E5%A5%87%E8%89%BA"\n },\n {\n "label": "\xe6\xb7\x98\xe5\xae\x9d",\n "url": "https://search.itunes.apple.com/WebObjects/MZStore.woa/wa/search?clientApplication=Software&src=trending&term=%E6%B7%98%E5%AE%9D"\n },\n {\n "label": "\xe7\x99\xbe\xe5\xba\xa6",\n "url": "https://search.itunes.apple.com/WebObjects/MZStore.woa/wa/search?clientApplication=Software&src=trending&term=%E7%99%BE%E5%BA%A6"\n },\n {\n "label": "qq\xe9\x9f\xb3\xe4\xb9\x90",\n "url": "https://search.itunes.apple.com/WebObjects/MZStore.woa/wa/search?clientApplication=Software&src=trending&term=qq%E9%9F%B3%E4%B9%90"\n },\n {\n "label": "\xe5\xbe\xae\xe5\x8d\x9a",\n "url": "https://search.itunes.apple.com/WebObjects/MZStore.woa/wa/search?clientApplication=Software&src=trending&term=%E5%BE%AE%E5%8D%9A"\n },\n {\n "label": "\xe7\x99\xbe\xe5\xba\xa6\xe7\xbd\x91\xe7\x9b\x98",\n "url": "https://search.itunes.apple.com/WebObjects/MZStore.woa/wa/search?clientApplication=Software&src=trending&term=%E7%99%BE%E5%BA%A6%E7%BD%91%E7%9B%98"\n }\n ]\n}\n …我想改变我的图片背景颜色,这是我的来源http://cdn.mayike.com/emotion/img/attached/1/image/dt/20170916/18/20170916180007_833.png.
如果我想将背景颜色更改为其他颜色,我该怎么办？
如果我想将背景颜色更改为透明,我该怎么办？
我尝试过使用convert aa.png -background '#0e0e0e' bb.png,但这不起作用.
