让死让活,逆命之宋青书,空调维修工具
在调用方法的时候我们需要对输入参数进行验证，譬如非空，只能数字类型等；
一些参数验证都是非常通用的，所以可以累积后续不断完善；
这种写法源于之前很早看到一篇博客后续完善，具体地址忘记了，所以现在github项目采用协议:mit，非常抱歉；
github地址：masterchief 参数验证代码
欢迎star，欢迎pr；
我要评论using system;
using system.io;
using system.text.regularexpressions;
using masterchief.dotnet4.utilities.common;
using masterchief.dotnet4.utilities.model;
namespace masterchief.dotnet4.utilities.operator
{
/// <summary>
/// 参数验证帮助类
/// </summary>
public static class validateoperator
{
#region methods
/// <summary>
/// 验证初始化
/// </summary>
/// <returns>validation</returns>
public static validation begin()
{
return null;
}
/// <summary>
/// 需要验证的正则表达式
/// </summary>
/// <param name="validation">validation</param>
/// <param name="checkfactory">委托</param>
/// <param name="pattern">正则表达式</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation check(this validation validation, func<bool> checkfactory, string pattern,
string argumentname)
{
return check<argumentexception>(validation, checkfactory,
string.format(validateresource.parametercheck_match2, argumentname));
}
/// <summary>
/// 自定义参数检查
/// </summary>
/// <typeparam name="texception">泛型</typeparam>
/// <param name="validation">validation</param>
/// <param name="checkedfactory">委托</param>
/// <param name="message">自定义错误消息</param>
/// <returns>validation</returns>
/// 时间：2016/7/19 11:37
/// 备注：
public static validation check<texception>(this validation validation, func<bool> checkedfactory,
string message)
where texception : exception
{
if (checkedfactory())
return validation ?? new validation
{
isvalid = true
};
var exception = (texception) activator.createinstance(typeof(texception), message);
throw exception;
}
/// <summary>
/// 检查指定路径的文件夹必须存在，否则抛出<see cref="directorynotfoundexception" />异常。
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">判断数据</param>
/// <exception cref="argumentnullexception">argumentnullexception</exception>
/// <exception cref="directorynotfoundexception">directorynotfoundexception</exception>
/// <returns>validation</returns>
public static validation checkdirectoryexist(this validation validation, string data)
{
return check<directorynotfoundexception>(validation, () => directory.exists(data),
string.format(validateresource.parametercheck_directorynotexists, data));
}
/// <summary>
/// 检查文件类型
/// </summary>
/// <param name="validation">validation</param>
/// <param name="actualfileext">实际文件类型；eg: .xls</param>
/// <param name="expectfileext">期待文件类型</param>
/// <returns></returns>
public static validation checkedfileext(this validation validation, string actualfileext,
string[] expectfileext)
{
var allowfileexts = expectfileext.tostring(",");
return check<filenotfoundexception>(validation, () => expectfileext.containignorecase(actualfileext),
string.format(validateresource.parametercheck_fileextcompare, allowfileexts));
}
/// <summary>
/// 检查文件类型
/// </summary>
/// <param name="validation">validation</param>
/// <param name="actualfileext">实际文件类型；eg: .xls</param>
/// <param name="expectfileext">期待文件类型</param>
/// <returns></returns>
public static validation checkedfileext(this validation validation, string actualfileext, string expectfileext)
{
return check<filenotfoundexception>(validation, () => actualfileext.compareignorecase(expectfileext),
string.format(validateresource.parametercheck_fileextcompare, expectfileext));
}
/// <summary>
/// 检查指定路径的文件必须存在，否则抛出<see cref="filenotfoundexception" />异常。
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">参数</param>
/// <exception cref="argumentnullexception">当文件路径为null时</exception>
/// <exception cref="filenotfoundexception">当文件路径不存在时</exception>
/// <returns>validation</returns>
public static validation checkfileexists(this validation validation, string data)
{
return check<filenotfoundexception>(validation, () => file.exists(data),
string.format(validateresource.parametercheck_filenotexists, data));
}
/// <summary>
/// 检查参数必须大于[或可等于，参数canequal]指定值，否则抛出<see cref="argumentoutofrangeexception" />异常。
/// </summary>
/// <typeparam name="t">参数类型。</typeparam>
/// <param name="validation">validation</param>
/// <param name="value">判断数据</param>
/// <param name="paramname">参数名称。</param>
/// <param name="target">要比较的值。</param>
/// <param name="canequal">是否可等于。</param>
/// <exception cref="argumentoutofrangeexception">argumentoutofrangeexception</exception>
/// <returns>validation</returns>
public static validation checkgreaterthan<t>(this validation validation, t value, string paramname, t target,
bool canequal)
where t : icomparable<t>
{
// bool flag = canequal ? value.compareto(target) >= 0 : value.compareto(target) > 0;
var format = canequal
? validateresource.parametercheck_notgreaterthanorequal
: validateresource.parametercheck_notgreaterthan;
return check<argumentoutofrangeexception>(validation,
() => canequal ? value.compareto(target) >= 0 : value.compareto(target) > 0,
string.format(format, paramname, target));
}
/// <summary>
/// 检查参数必须小于[或可等于，参数canequal]指定值，否则抛出<see cref="argumentoutofrangeexception" />异常。
/// </summary>
/// <typeparam name="t">参数类型。</typeparam>
/// <param name="validation">validation</param>
/// <param name="value">判断数据</param>
/// <param name="paramname">参数名称。</param>
/// <param name="target">要比较的值。</param>
/// <param name="canequal">是否可等于。</param>
/// <exception cref="argumentoutofrangeexception">argumentoutofrangeexception</exception>
/// <returns>validation</returns>
public static validation checklessthan<t>(this validation validation, t value, string paramname, t target,
bool canequal)
where t : icomparable<t>
{
var format = canequal
? validateresource.parametercheck_notlessthanorequal
: validateresource.parametercheck_notlessthan;
return check<argumentoutofrangeexception>(validation,
() => canequal ? value.compareto(target) <= 0 : value.compareto(target) < 0,
string.format(format, paramname, target));
}
/// <summary>
/// 验证是否在范围内
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">输入项</param>
/// <param name="min">最小值</param>
/// <param name="max">最大值</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation inrange(this validation validation, int data, int min, int max, string argumentname)
{
return check<argumentoutofrangeexception>(validation, () => data >= min && data <= max,
string.format(validateresource.parametercheck_between, argumentname, min, max));
}
/// <summary>
/// 是否是中文
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">中文</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation ischinses(this validation validation, string data, string argumentname)
{
return check(validation, () => checkhelper.ischinses(data), regexpattern.chinesecheck, argumentname);
}
/// <summary>
/// 是否是电子邮箱
/// </summary>
/// <param name="validation">validation</param>
/// <param name="email">需要验证的邮箱</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation isemail(this validation validation, string email, string argumentname)
{
return check(validation, () => checkhelper.isemail(email), regexpattern.emailcheck, argumentname);
}
/// <summary>
/// 是否是文件路径
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">路径</param>
/// <returns>validation</returns>
public static validation isfilepath(this validation validation, string data)
{
return check<argumentexception>(validation, () => checkhelper.isfilepath(data),
string.format(validateresource.parametercheck_isfilepath, data));
}
/// <summary>
/// 是否是十六进制字符串
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">验证数据</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation ishexstring(this validation validation, string data, string argumentname)
{
return check(validation, () => checkhelper.ishexstring(data), regexpattern.hexstringcheck, argumentname);
}
/// <summary>
/// 是否是身份证号码
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">验证数据</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation isidcard(this validation validation, string data, string argumentname)
{
return check(validation, () => checkhelper.isidcard(data), regexpattern.idcardcheck, argumentname);
}
/// <summary>
/// 是否是整数
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">需要检测的字符串</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation isint(this validation validation, string data, string argumentname)
{
return check(validation, () => checkhelper.isint(data), regexpattern.intcheck, argumentname);
}
/// <summary>
/// 是否是ip
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">需要检测到ip</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation isip(this validation validation, string data, string argumentname)
{
return check(validation, () => checkhelper.isip4address(data), regexpattern.ipcheck, argumentname);
}
/// <summary>
/// 是否是数字
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">需要检测的字符串</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation isnumber(this validation validation, string data, string argumentname)
{
return check(validation, () => checkhelper.isnumber(data), regexpattern.numbercheck, argumentname);
}
/// <summary>
/// 是否是合法端口
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">参数值</param>
/// <param name="paramname">参数名称</param>
/// <returns>validation</returns>
public static validation isport(this validation validation, string data, string paramname)
{
return check<argumentexception>(validation, () => checkhelper.isvalidport(data),
string.format(validateresource.parametercheck_port, paramname));
}
/// <summary>
/// 是否是邮政编码
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">邮政编码</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation isposecode(this validation validation, string data, string argumentname)
{
return check(validation, () => checkhelper.isposecode(data), regexpattern.postcodecheck, argumentname);
}
/// <summary>
/// 判断字符串是否是要求的长度
/// </summary>
/// <param name="validation">validation</param>
/// <param name="input">验证的字符串</param>
/// <param name="requirelength">要求的长度</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation isrequirelen(this validation validation, string input, int requirelength,
string argumentname)
{
return check<argumentexception>(
validation,
() => input.length == requirelength,
string.format(validateresource.parametercheck_stringlength, argumentname, requirelength));
}
/// <summary>
/// 判断类型是否能序列化
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">输入项</param>
/// <returns>validation</returns>
/// 时间：2016-01-14 9:57
/// 备注：
public static validation isserializable(this validation validation, object data)
{
return check<argumentexception>(validation, () => data.gettype().isserializable,
$"该参数类型{data.gettype().fullname}不能序列化！");
}
/// <summary>
/// 是否是url
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">url</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation isurl(this validation validation, string data, string argumentname)
{
return check(validation, () => checkhelper.isurl(data), regexpattern.urlcheck, argumentname);
}
/// <summary>
/// 验证参数不能等于某个值
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">输入项</param>
/// <param name="equalobj">比较项</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation notequal(this validation validation, object data, object equalobj, string argumentname)
{
return check<argumentexception>(validation, () => data != equalobj,
string.format(validateresource.parametercheck_notequal, argumentname, data));
}
/// <summary>
/// 验证非空
/// </summary>
/// <param name="validation">validation</param>
/// <param name="data">输入项</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation notnull(this validation validation, object data, string argumentname)
{
return check<argumentnullexception>(validation, () => checkhelper.notnull(data),
string.format(validateresource.parametercheck_notnull, argumentname));
}
/// <summary>
/// 不能为空或者null验证
/// </summary>
/// <param name="validation">validation</param>
/// <param name="input">输入项</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation notnullorempty(this validation validation, string input, string argumentname)
{
return check<argumentnullexception>(validation, () => !string.isnullorempty(input),
string.format(validateresource.parametercheck_notnullorempty_string, argumentname));
}
/// <summary>
/// 需要验证的正则表达式
/// </summary>
/// <param name="validation">validation</param>
/// <param name="input">需要匹配的输入项</param>
/// <param name="pattern">正则表达式</param>
/// <param name="argumentname">参数名称</param>
/// <returns>validation</returns>
public static validation regexmatch(this validation validation, string input, string pattern,
string argumentname)
{
return check<argumentexception>(validation, () => regex.ismatch(input, pattern),
string.format(validateresource.parametercheck_match, input, argumentname));
}
#endregion methods
}
}
public ienumerable<t> sqlquery<t>(string sql, idbdataparameter[] parameters)
{
validateoperator.begin()
.notnullorempty(sql, "sql语句")
.notnull(parameters, "sql对应参数");
var dataparameters = createparameter(parameters);
return currentconnection.query<t>(sql, dataparameters, currenttransaction);
}
如对本文有疑问，请在下面进行留言讨论，广大热心网友会与你互动！！ 点击进行留言回复
Net Core Web Api项目与在NginX下发布的方法
asp.net core3.1 引用的元包dll版本兼容性问题解决方案
IdentityServer4实现.Net Core API接口权限认证(快速入门)
ASP.NET Core MVC通过IViewLocationExpander扩展视图搜索路径的实现
网友评论