读取文件中的内容

 private string ReadConfigContent(string path)
    {
        string configString = "";
        FileInfo configFile = new FileInfo(path);
        if (!configFile.Exists)
        {
            throw new Exception("SOA配置文件不存在");
        }
        using (StreamReader reader = configFile.OpenText())
        {
            configString = reader.ReadToEnd();
        }
        if (string.IsNullOrWhiteSpace(configString))
        {
            throw new Exception("配置文件内容为空");
        }
        return configString;
    }