IOS

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.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;}

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