IOS - 判断密码设置强度

.h 文件

/** 判断密码强度 */

+ (NSString*) judgePasswordStrength:(NSString*) _password;

.m 文件

/* 判断密码强度 /

+ (NSString*) judgePasswordStrength:(NSString*) _password

{

    NSMutableArray* resultArray = [[NSMutableArray alloc] init];



    NSArray* termArray1 = [[NSArray alloc] initWithObjects:@"a", @"b", @"c", @"d", @"e", @"f", @"g", @"h", @"i", @"j", @"k", @"l", @"m", @"n", @"o", @"p", @"q", @"r", @"s", @"t", @"u", @"v", @"w", @"x", @"y", @"z", nil];

    NSArray* termArray2 = [[NSArray alloc] initWithObjects:@"1", @"2", @"3", @"4", @"5", @"6", @"7", @"8", @"9", @"0", nil];

    NSArray* termArray3 = [[NSArray alloc] initWithObjects:@"A", @"B", @"C", @"D", @"E", @"F", @"G", @"H", @"I", @"J", @"K", @"L", @"M", @"N", @"O", @"P", @"Q", @"R", @"S", @"T", @"U", @"V", @"W", @"X", @"Y", @"Z", nil];

    NSArray* termArray4 = [[NSArray alloc] initWithObjects:@"~",@"`",@"@",@"#",@"$",@"%",@"^",@"&",@"*",@"(",@")",@"-",@"_",@"+",@"=",@"{",@"}",@"[",@"]",@"|",@":",@";",@"“",@"'",@"‘",@"<",@",",@".",@">",@"?",@"/",@"、", nil];



    NSString* result1 = [NSString stringWithFormat:@"%d",[self judgeRange:termArray1 Password:_password]];

    NSString* result2 = [NSString stringWithFormat:@"%d",[self judgeRange:termArray2 Password:_password]];

    NSString* result3 = [NSString stringWithFormat:@"%d",[self judgeRange:termArray3 Password:_password]];

    NSString* result4 = [NSString stringWithFormat:@"%d",[self judgeRange:termArray4 Password:_password]];

    [resultArray addObject:[NSString stringWithFormat:@"%@",result1]];

    [resultArray addObject:[NSString stringWithFormat:@"%@",result2]];

    [resultArray addObject:[NSString stringWithFormat:@"%@",result3]];

    [resultArray addObject:[NSString stringWithFormat:@"%@",result4]];



    int intResult=0;

    for (int j=0; j<[resultArray count]; j++)

    {



        if ([[resultArray objectAtIndex:j] isEqualToString:@"1"])

        {
            intResult++;
        }
    }

    NSString* resultString = [[NSString alloc] init];

    if (intResult <2)
    {
        resultString = @"密码强度低，建议修改";
    }

    else if (intResult == 2&&[_password length]>=6)
    {
        resultString = @"密码强度一般";
    }

    if (intResult > 2&&[_password length]>=6)
    {
        resultString = @"密码强度高";
    }
    return resultString;
}