klx_teacher/KulexiuForTeacher/KulexiuForTeacher/Common/Tools/Extension/NSDictionary+Extension.m

//
//  NSDictionary+Extension.m
//  PowerrichOA
//
//  Created by admin on 17/10/10.
//  Copyright © 2017年 voquan. All rights reserved.
//

#import "NSDictionary+Extension.h"

@implementation NSDictionary (Extension)

- (NSInteger)integerValueForKey:(id)key {
    id value = [self notNullValueForKey:key];
    return value == nil ? 0 : [value integerValue];
}

- (int)intValueForKey:(id)key {
    id value = [self notNullValueForKey:key];
    return value == nil ? 0 : [value intValue];
}

/**
 从字典里取int(内带判空)
 
 @param key 字典Key值
 @return long
 */
- (long)longValueForKey:(id)key {
    id value = [self notNullValueForKey:key];
    return value == nil ? 0 : [value longLongValue];
}

- (long long)longlongValueForKey:(id)key {
    id value = [self notNullValueForKey:key];
    return value == nil ? 0 : [value longLongValue];
}

- (BOOL)boolValueForKey:(id)key {
    id value = [self notNullValueForKey:key];
    return value == nil ? NO : [value boolValue];
}

- (float)floatValueForKey:(id)key {
    id value = [self notNullValueForKey:key];
    return value == nil ? NO : [value floatValue];
}

/**
 从字典里取double(内带判空)
 
 @param key 字典Key值
 @return double
 */
- (double)doubleValueForKey:(id)key {
    id value = [self notNullValueForKey:key];
    return value == nil ? NO : [value doubleValue];
}

- (NSString *)stringValueForKey:(id)key {
    id value = [self notNullValueForKey:key];
    if ([value isKindOfClass:[NSNumber class]]) {
        value = [value stringValue];
    }
    return value;
}

- (NSArray *)arrayValueForKey:(id)key {
    id value = [self notNullValueForKey:key];
    if(![value isKindOfClass:[NSArray class]]) {
        return nil;
    }
    return value;
}

- (NSMutableArray*)mutableArrayValueForKey:(NSString *)key {
    id value = [self notNullValueForKey:key];
    if(![value isKindOfClass:[NSMutableArray class]]) {
        return nil;
    }
    return value;
}

- (NSDictionary *)dictionaryValueForKey:(id)key {
    id value = [self notNullValueForKey:key];
    if(![value isKindOfClass:[NSDictionary class]]) {
        return nil;
    }
    return value;
}


- (BOOL)isNullValue:(id)value {
    return [value isEqual:[NSNull null]];
}

- (id)notNullValueForKey:(id)key {
    id value = [self objectForKey:key];
    if([self isNullValue:value]) {
        return nil;
    }
    
  #pragma mark 判断是否nil
    if (value == nil) {
//        NSLog(@"%@不存在",key);
        value = @"";
    }
    else if ([value isKindOfClass:[NSNumber class]]) {
        value = [NSString stringWithFormat:@"%@", value];
    }
    return value;
}
-(NSString *)convertToJsonData

{
    
    NSError *error;
    
    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:self options:NSJSONWritingPrettyPrinted error:&error];
    
    NSString *jsonString;
    
    if (!jsonData) {
        
        NSLog(@"%@",error);
        
    }else{
        
        jsonString = [[NSString alloc]initWithData:jsonData encoding:NSUTF8StringEncoding];
        
    }
    
    NSMutableString *mutStr = [NSMutableString stringWithString:jsonString];
    
    NSRange range = {0,jsonString.length};
    
    //去掉字符串中的空格
    
    [mutStr replaceOccurrencesOfString:@" " withString:@"" options:NSLiteralSearch range:range];
    
    NSRange range2 = {0,mutStr.length};
    
    //去掉字符串中的换行符
    
    [mutStr replaceOccurrencesOfString:@"\n" withString:@"" options:NSLiteralSearch range:range2];
    
    return mutStr;
    
}


@end