我使用Laravel 5.0，我需要使用maatwebsite/excel来完成我的工作，但是在更新 Composer 之后出现以下错误：
Problem 1 - Conclusion: remove laravel/framework v5.0.35 - Conclusion: don't install laravel/framework v5.0.35 - Conclusion: don't install laravel/framework v5.0.34 - Conclusion: don't install laravel/framework v5.0.33 - Conclusion: don't install laravel/framework v5.0.32 - Conclusion: don't install laravel/framework v5.0.31 - Conclusion: don't install laravel/framework 5.0.30 - Conclusion: don't install laravel/framework v5.0.29 - Conclusion: don't install laravel/framework v5.0.28 - Conclusion: don't install laravel/framework v5.0.27 - Conclusion: don't install laravel/framework v5.0.26 - Conclusion: don't install laravel/framework v5.0.25 - Conclusion: don't install laravel/framework v5.0.24 - Conclusion: don't install laravel/framework v5.0.23 - Conclusion: don't install laravel/framework v5.0.22 - Conclusion: don't install laravel/framework v5.0.21 - Conclusion: don't install laravel/framework v5.0.20 - Conclusion: don't install laravel/framework v5.0.19 - Conclusion: don't install laravel/framework v5.0.18 - Conclusion: don't install laravel/framework v5.0.17 - Conclusion: don't install laravel/framework v5.0.16 - Conclusion: don't install laravel/framework v5.0.15 - Conclusion: don't install laravel/framework v5.0.14 - Conclusion: don't install laravel/framework v5.0.13 - Conclusion: don't install laravel/framework v5.0.12 - Conclusion: don't install laravel/framework v5.0.11 - Conclusion: don't install laravel/framework v5.0.10 - Conclusion: don't install laravel/framework v5.0.9 - Conclusion: don't install laravel/framework v5.0.8 - Conclusion: don't install laravel/framework v5.0.7 - Conclusion: don't install laravel/framework v5.0.6 - Conclusion: don't install laravel/framework v5.0.5 - Conclusion: don't install laravel/framework v5.0.4 - Conclusion: don't install laravel/framework v5.0.3 - Conclusion: don't install laravel/framework v5.0.2 - Conclusion: don't install laravel/framework v5.0.1 - laravelcollective/html v5.2 requires illuminate/view 5.2.* -> satisfiable by illuminate/view[v5.2.0, v5.2.19, v5.2.21, v5.2.24, v5.2.25, v5.2.26, v5.2.27, v5.2.28, v5.2.31, v5.2.6, v5.2.7]. - laravelcollective/html v5.2.1 requires illuminate/view 5.2.* -> satisfiable by illuminate/view[v5.2.0, v5.2.19, v5.2.21, v5.2.24, v5.2.25, v5.2.26, v5.2.27, v5.2.28, v5.2.31, v5.2.6, v5.2.7]. - laravelcollective/html v5.2.2 requires illuminate/view 5.2.* -> satisfiable by illuminate/view[v5.2.0, v5.2.19, v5.2.21, v5.2.24, v5.2.25, v5.2.26, v5.2.27, v5.2.28, v5.2.31, v5.2.6, v5.2.7]. - laravelcollective/html v5.2.3 requires illuminate/view 5.2.* -> satisfiable by illuminate/view[v5.2.0, v5.2.19, v5.2.21, v5.2.24, v5.2.25, v5.2.26, v5.2.27, v5.2.28, v5.2.31, v5.2.6, v5.2.7]. - laravelcollective/html v5.2.4 requires illuminate/view 5.2.* -> satisfiable by illuminate/view[v5.2.0, v5.2.19, v5.2.21, v5.2.24, v5.2.25, v5.2.26, v5.2.27, v5.2.28, v5.2.31, v5.2.6, v5.2.7]. - don't install illuminate/view v5.2.0|don't install laravel/framework v5.0.0 - don't install illuminate/view v5.2.19|don't install laravel/framework v5.0.0 - don't install illuminate/view v5.2.21|don't install laravel/framework v5.0.0 - don't install illuminate/view v5.2.24|don't install laravel/framework v5.0.0 - don't install illuminate/view v5.2.25|don't install laravel/framework v5.0.0 - don't install illuminate/view v5.2.26|don't install laravel/framework v5.0.0 - don't install illuminate/view v5.2.27|don't install laravel/framework v5.0.0 - don't install illuminate/view v5.2.28|don't install laravel/framework v5.0.0 - don't install illuminate/view v5.2.31|don't install laravel/framework v5.0.0 - don't install illuminate/view v5.2.6|don't install laravel/framework v5.0.0 - don't install illuminate/view v5.2.7|don't install laravel/framework v5.0.0 - Installation request for laravel/framework 5.0.* -> satisfiable by laravel/framework[5.0.30, v5.0.0, v5.0.1, v5.0.10, v5.0.11, v5.0.12, v5.0.13, v5.0.14, v5.0.15, v5.0.16, v5.0.17, v5.0.18, v5.0.19, v5.0.2, v5.0.20, v5.0.21, v5.0.22, v5.0.23, v5.0.24, v5.0.25, v5.0.26, v5.0.27, v5.0.28, v5.0.29, v5.0.3, v5.0.31, v5.0.32, v5.0.33, v5.0.34, v5.0.35, v5.0.4, v5.0.5, v5.0.6, v5.0.7, v5.0.8, v5.0.9]. - Installation request for laravelcollective/html 5.2.* -> satisfiable by laravelcollective/html[v5.2, v5.2.1, v5.2.2, v5.2.3, v5.2.4].
我的composer.json：
{
"name": "laravel/laravel",
"description": "The Laravel Framework.",
"keywords": ["framework", "laravel"],
"license": "MIT",
"type": "project",
"require": {
"laravel/framework": "5.0.*",
"illuminate/html": "5.*",
"laravelcollective/html": "5.2.*",
"maatwebsite/excel": "~2.1.0"
},
"require-dev": {
"phpunit/phpunit": "~4.0",
"phpspec/phpspec": "~2.1"
},
"autoload": {
"classmap": [
"database"
],
"psr-4": {
"App\\": "app/"
}
},
"autoload-dev": {
"classmap": [
"tests/TestCase.php"
]
},
"scripts": {
"post-install-cmd": [
"php artisan clear-compiled",
"php artisan optimize"
],
"post-update-cmd": [
"php artisan clear-compiled",
"php artisan optimize"
],
"post-create-project-cmd": [
"php -r \"copy('.env.example', '.env');\"",
"php artisan key:generate"
]
},
"config": {
"preferred-install": "dist"
}
}
我应该如何处理我的 Laravel？