Composer 错误：无法解析版本约束 >=~2答案

【问题标题】：Composer error: Could not parse version constraint >=~2Composer 错误：无法解析版本约束 >=~2
【发布时间】：2017-07-16 14:16:20
【问题描述】：

朋友们，在尝试运行时

作曲家更新

出现如下错误：

C:\wamp\www\mysystem>composer update 加载 composer 存储库带包信息更新依赖（包括require-dev）

[UnexpectedValueException] 无法解析版本约束

=~2: 无效的版本字符串“~2”

更新 [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--lock] [--no-custom-installers] [--no-autoloader] [--no-scripts] [--no-progress] [--no -suggest] [--with-dependencies] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--ignore-platform-reqs] [--p 参考稳定] [--prefer-lowest] [-i|--interactive] [--root-reqs] [--] [

]...

这是我的 composer.json 文件：

{
    "license": "BSD-3-Clause",
    "minimum-stability": "stable",
    "require": {
        "php": ">=5.4.0",
        "yiisoft/yii2": ">=2.0.5",
        "yiisoft/yii2-bootstrap": "*",
        "yiisoft/yii2-swiftmailer": "*",
        "fxp/composer-asset-plugin": "~1.1.1",       
        "trntv/yii2-datetime-widget": "*",
        "miloschuman/yii2-highcharts-widget": "dev-master",
        "kartik-v/yii2-money": "*",
        "kartik-v/yii2-slider": "*",
        "kartik-v/yii2-widget-datepicker": "@dev",
        "kartik-v/yii2-field-range": "*",
        "kartik-v/yii2-widget-colorinput": "*",
        "kartik-v/yii2-widget-sidenav": "@dev",
        "kartik-v/yii2-export": "@dev",
        "kartik-v/yii2-grid": "@dev",
        "yiidoc/yii2-redactor": "*",
        "tugmaks/yii2-google-maps": "dev-master",
        "yiisoft/yii2-imagine": "^2.0",
        "karpoff/yii2-crop-image-upload": "*",
        "cyneek/yii2-menu": "dev-master",
        "bupy7/yii2-widget-cropbox": "*",
        "philippfrenzel/yii2fullcalendar": "*",
        "kartik-v/yii2-widget-touchspin": "*"
    },
    "require-dev": {
        "yiisoft/yii2-debug": "*",
        "yiisoft/yii2-gii": "*",
        "yiisoft/yii2-faker": "*"
    },
    "config": {
        "process-timeout": 1800
    },
    "scripts": {
        "post-create-project-cmd": [
            "yii\\composer\\Installer::postCreateProject"
        ]
    },
    "extra": {
        "yii\\composer\\Installer::postCreateProject": {
            "setPermission": [
                {
                    "runtime": "0777",
                    "web/assets": "0777",
                    "yii": "0755"
                }
            ],
            "generateCookieValidationKey": [
                "config/web.php"
            ]
        },
        "asset-installer-paths": {
            "npm-asset-library": "vendor/npm",
            "bower-asset-library": "vendor/bower"
        }
    }
}

我在 w7 和 ubuntu 上试过

【问题讨论】：

标签： yii2 composer-php

【解决方案1】：

尝试设置旧版本fxp/composer-asset-plugin:

composer global require "fxp/composer-asset-plugin:1.0.1"

或安装最新的：

composer global require "fxp/composer-asset-plugin:dev-master"

【讨论】：