Submitted by gouki on 2016, May 5, 9:32 AM
PHP使用者大多对composer是又爱又恨,爱的是composer require后,很多类库不用去下载了,恨的是网速卡成翔,虽然国内有很多道友做了镜象,但对于bower库这些都还是整体更新。
那么,如何只利用composer的基本功能来为自己服务呢?composer的官网有介绍,只要在composer.json中加入几行代码就行了。。
JavaScript代码
- "repositories":[
- {
- "type":"git",
- "url":"/var/www/gouki/test/"
- },
- ]
上面的代码中/var/www/gouki/test,是我的一个git库。也是按照composer的标准来建的。里面只有一个composer.json文件:
JavaScript代码
- {
- "name":"gouki/test",
- "description":"test",
- "authors":[
- {
- "name":"gouki",
- "email":"xxxx@qq.com"
- }
- ],
- "minimum-stability":"dev",
- "require":{},
- "autoload":{
- "psr-4":{
- "gouki\\test\\":"src/"
- }
- },
- "extra":{
- "branch-alias":{
- "dev-master":"1.0.x-dev"
- }
- }
- }
src目录下的代码中使用的namespace就是gouki\test,然后在原项目的composer.json中再加入:
JavaScript代码
- "require":{
- "gouki/test":"dev-master"
- },
最后,运行一下composer update,你会看到项目的根目录下多了vendor目录,同时,vendor目录下也会多一个gouki/test的目录,至此项目引入成功,如果还不放心,那就看一下:vendor/composer/autoload_psr4.php中有没有gouki/test。
之所以这么做,就是因为前文所说的速度,当然也有小团队的成本。比如写个类,就可以直接composer进行加载了。
问题就这么来了,如果放到线上去,那上面的
XML/HTML代码
- "repositories":[
- {
- "type":"git",
- "url":"/var/www/gouki/test/"
- },
- ]
- 需要改为:
- "repositories":[
- {
- "type":"git",
- "url":"http://xxxx.xxx.xxx/git"
- },
- ]
如果该git是public的,则不需要任何处理,如果git是需要登录的,则需要在项目的根目录下(和composer.json平级的目录)增加一个auth.json,里面也就两三行代码
JavaScript代码
- {
- "http-basic":{
- "http://xxxx.xxx.xxx/git":{
- "username":"",
- "password":""
- }
- }
- }
当然如果你是ssh免登陆的git则另计。至此一个小小的自建composer源就已经完成。
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Submitted by gouki on 2016, March 30, 6:05 PM
标题的内容也是手贱导致的,本来composer不self-update也不会出现这个问题,这不,一升到最新的composer就出问题了
1、由于我们为了追求速度,大部分都是用的国内的源,这些源往往都不是https的,这回好了,出错了。
XML/HTML代码
- Your configuration does not allow connection to http://packagist.phpcomposer.com. See https://getcomposer.org/doc/06-config.md#secure-http for details.
- http://packagist.phpcomposer.com could not be fully loaded, package information was loaded from the local cache and may be out of date
OK,打开https://getcomposer.org/doc/06-config.md#secure-http查看了一下,在composer.json和~/.composer/config.json中的config节点下,增加:"secure-http":false
2、composer update的时候报:
XML/HTML代码
- Installation failed, reverting ./composer.json to its original content.
OK,现在可以用composer diag来检查 一下了,结果 发现:
XML/HTML代码
- composer diag
- Checking composer.json: FAIL
- No license specified, it is recommended to do so. For closed-source software you may use "proprietary" as license.
- require.yiisoft/yii2 : unbound version constraints (*) should be avoided
- Checking platform settings: OK
- Checking git settings: OK
- Checking http connectivity to packagist: OK
- Checking https connectivity to packagist: OK
- Checking github.com oauth access: OK
- Checking disk free space: OK
- Checking pubkeys:
- Tags Public Key Fingerprint: ???? 已隐藏
- Dev Public Key Fingerprint: ????? 已隐藏
- OK
- Checking composer version: FAIL
- You are not running the latest stable version, run `composer self-update` to update (e8b1a5f35772e39ca21ab855a278bd84a0a534b2 => 1.0.0-beta2)
居然显示 ,composer中一定要有license节点,require的也需要带 版本号了。于是一一加上,然后接着composer update
3、出现如标题一般的错误
处理方法:一般出现这种错误 ,大部分情况下是fxp插件需要更新了,执行composer global require fxp/composer-asset-plugin --prefer-dist,
XML/HTML代码
- Changed current directory to /Users/gouki/.composer
- Using version ^1.1 for fxp/composer-asset-plugin
- ./composer.json has been updated
- Loading composer repositories with package information
- Updating dependencies (including require-dev)
- - Removing fxp/composer-asset-plugin (v1.1.1)
- - Installing fxp/composer-asset-plugin (v1.1.2)
- Downloading: 100%
-
- Writing lock file
- Generating autoload files
更新完后,再composer udpate就OK了!
当然如果还有问题,你应该查看官网的issue,比如:https://github.com/francoispluchino/composer-asset-plugin/issues/191,刚开始的时候确实是BUG,后面更新了就好了。哈哈
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Submitted by gouki on 2016, January 22, 9:00 AM
标题所说的问题可能早期用户都遇到过。但其实这个问题在官方也早就有解决方案了,不知道为什么还有人问起。
这其实是与:fxp/composer-asset-plugin 相关的一个BUG,你在global require的时候,用1.1的beta版就没问题了。
很简单就能发现这个问题了,你先:composer global require "fxp/composer-asset-plugin:~1.1.1",然后composer install就OK了。
其实你如果每次composer update报这个错,你就应该有警惕了:
XML/HTML代码
- Deprecation Notice: The Composer\Package\LinkConstraint\MultiConstraint class is deprecated, use Composer\Semver\Constraint\MultiConstraint instead. in phar:///usr/local/bin/compose
- r/src/Composer/Package/LinkConstraint/MultiConstraint.php:17
- Deprecation Notice: The Composer\Package\LinkConstraint\LinkConstraintInterface interface is deprecated, use Composer\Semver\Constraint\ConstraintInterface instead. in phar:///usr/l
- ocal/bin/composer/src/Composer/Package/LinkConstraint/LinkConstraintInterface.php:17
当然如果你操作完后还是没看到有任何反应,OK,先清除cache......
不多说,Over
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Submitted by gouki on 2015, October 20, 10:08 AM
position有9个点:lt,mt,rt,lm,mm,rm,lb,mb,rb,其实对应的是几个英文:lt(left top),mt(middle top),rt(right top),以此类推
上官方原图:
OK,然后我们看一下他的代码是怎么写的,如果有人涉及到也可以借鉴:
PHP代码
- <?php
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- public static function calculatePositions($containerWidth, $containerHeight, $layerWidth, $layerHeight, $layerPositionX, $layerPositionY, $position = 'LT')
- {
- $position = strtolower($position);
-
- if ($position == 'rt') {
-
- $layerPositionX = $containerWidth - $layerWidth - $layerPositionX;
-
- } elseif ($position == 'lb') {
-
- $layerPositionY = $containerHeight - $layerHeight - $layerPositionY;
-
- } elseif ($position == 'rb') {
-
- $layerPositionX = $containerWidth - $layerWidth - $layerPositionX;
- $layerPositionY = $containerHeight - $layerHeight - $layerPositionY;
-
- } elseif ($position == 'mm') {
-
- $layerPositionX = (($containerWidth - $layerWidth) / 2) + $layerPositionX;
- $layerPositionY = (($containerHeight - $layerHeight) / 2) + $layerPositionY;
-
- } elseif ($position == 'mt') {
-
- $layerPositionX = (($containerWidth - $layerWidth) / 2) + $layerPositionX;
-
- } elseif ($position == 'mb') {
-
- $layerPositionX = (($containerWidth - $layerWidth) / 2) + $layerPositionX;
- $layerPositionY = $containerHeight - $layerHeight - $layerPositionY;
-
- } elseif ($position == 'lm') {
-
- $layerPositionY = (($containerHeight - $layerHeight) / 2) + $layerPositionY;
-
- } elseif ($position == 'rm') {
-
- $layerPositionX = $containerWidth - $layerWidth - $layerPositionX;
- $layerPositionY = (($containerHeight - $layerHeight) / 2) + $layerPositionY;
- }
-
- return array(
- 'x' => $layerPositionX,
- 'y' => $layerPositionY,
- );
- }
END;
Tags: imageworkshop, position
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Submitted by gouki on 2015, September 7, 10:56 PM
原文来自:http://stackoverflow.com/questions/1653308/access-control-allow-origin-multiple-origin-domains
主要是因为涉及到CSS和JS文件是挂在别的域,然后又遇到了ajax之类的操作,所以就需要有跨域操作了,本来很方便的,只是在.htaccess文件中加了一句
XML/HTML代码
- Header add Access-Control-Allow-Origin "http://xxxxxx.com"
但因为备案原因,所以又添加了一个备用域名,结果,就报错了,报错提示是:
XML/HTML代码
- font from origin 'http://xxxxx.com' has been blocked from loading by Cross-Origin Resource Sharing policy: The 'Access-Control-Allow-Origin' header contains multiple values 'http://yyyy.com, http://zzzz.com', but only one is allowed. Origin 'http://xxxxx.com' is therefore not allowed access.
我晶,不支持多域名啊,google了一下,找到了这一篇:http://stackoverflow.com/questions/1653308/access-control-allow-origin-multiple-origin-domains
不多贴,其实挺有意思。。方法也有不少
1、利用apache的环境变量:
XML/HTML代码
- SetEnvIf Origin "^(.*\.example\.com)$" ORIGIN_SUB_DOMAIN=$1
- <FilesMatch "\.woff$">
- Header set Access-Control-Allow-Origin "%{ORIGIN_SUB_DOMAIN}e" env=ORIGIN_SUB_DOMAIN
- </FilesMatch>
2、用PHP来判断:
PHP代码
- $http_origin = $_SERVER['HTTP_ORIGIN'];
-
- if ($http_origin == "http://www.domain1.com" || $http_origin == "http://www.domain2.com" || $http_origin == "http://www.domain3.info")
- {
- header("Access-Control-Allow-Origin: $http_origin");
- }
3、和1有点类似
XML/HTML代码
- SetEnvIf Origin "^http(s)?://(.+\.)?(domain\.org|domain2\.com)$" origin_is=$0
- Header always set Access-Control-Allow-Origin %{origin_is}e env=origin_is
4、这是nginx的:
XML/HTML代码
- location /fonts {
- # this will echo back the origin header
- if ($http_origin ~ "example.org$") {
- add_header "Access-Control-Allow-Origin" $http_origin;
- }
- }
更多的,还是去原网页看吧。。
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