Composer无法在既定目录找到composer.json文件，无法create project

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我在windows7下的PHPstudy使用composer(右键PHPstudy-其他高级应用-composer)，要本地安装flarum于phpstudy/www/www.future.com 文件夹中。
PHPstudy版本是2016，PHP版本是7。
1.composer config没有反应，不能换源（源是中国全量镜像）
2.composer create-project提示没有composer.json（composer.json不是create-project一并创建的吗？就像经典笑话winrarsetup.rar一样）
已尝试的解决办法（演示网址或图片）：1.composer self-update到最高版本
2.手动创建过composer.json，然后发现flarum能正常下载，但是出现在了vendor文件夹，和其他的require一起。
3.composer diagnose 一切正常
4.80端口正常
5.复制了一下官网别人的composerjson再进行安装

`{
"name": "flarum/flarum",
"description": "Delightfully simple forum software.",
"type": "project",
"keywords": [
"forum",
"discussion"
],
"homepage": "https://flarum.org/",
"license": "MIT",
"authors": [
{
"name": "Flarum",
"email": "info@flarum.org",
"homepage": "https://flarum.org/team"
}
],
"support": {
"issues": "https://github.com/flarum/core/issues",
"source": "https://github.com/flarum/flarum",
"docs": "https://docs.flarum.org/"
},
"require": {
"acpl/mobile-tab": "*",
"askvortsov/flarum-discussion-templates": "^0.8.3",
"askvortsov/flarum-markdown-tables": "*",
"askvortsov/flarum-rich-text": "*",
"clarkwinkelmann/flarum-ext-author-change": "^1.0",
"clarkwinkelmann/flarum-ext-circle-groups": "^1.0",
"clarkwinkelmann/flarum-ext-create-user-modal": "^1.3",
"datlechin/flarum-signup-button": "*",
"datlechin/flarum-usercard-uid": "*",
"davwheat/custom-sidenav-links": "*",
"flamarkt/taxonomies": "^0.1.6",
"flarum-lang/russian": "^1.6",
"flarum/approval": "*",
"flarum/bbcode": "*",
"flarum/core": "^1.5",
"flarum/emoji": "*",
"flarum/flags": "*",
"flarum/lang-english": "*",
"flarum/likes": "*",
"flarum/lock": "*",
"flarum/markdown": "*",
"flarum/mentions": "*",
"flarum/nicknames": "*",
"flarum/pusher": "*",
"flarum/statistics": "*",
"flarum/sticky": "*",
"flarum/subscriptions": "*",
"flarum/suspend": "*",
"flarum/tags": "*",
"fof/byobu": "*",
"fof/default-user-preferences": "*",
"fof/linguist": "^1.0",
"fof/links": "^1.1",
"fof/reactions": "^1.1",
"fof/sitemap": "^2.0",
"fof/socialprofile": "^1.1",
"fof/user-bio": "*",
"ianm/html-head": "*",
"ianm/synopsis": "^1.2",
"isaced/flarum-ext-email-verification-switch": "*",
"jslirola/flarum-ext-login2seeplus": "^0.2.1",
"kilowhat/flarum-ext-audit-free": "^1.5",
"matteocontrini/flarum-imgur-upload": "^3.9",
"michaelbelgium/flarum-discussion-views": "^7.1",
"mickmelon/flarum-ext-coloured-usernames": "^0.1.1",
"migratetoflarum/canonical": "^1.0",
"nearata/flarum-ext-twofactor": "^2.1",
"sycho/flarum-profile-cover": "*",
"the-turk/flarum-diff": "^1.1",
"the-turk/flarum-flamoji": "^1.0",
"zerosonesfun/flarum-inline-audio": "*"
},
"config": {
"preferred-install": "dist",
"sort-packages": true
}
}`

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