iOS ---网络请求封装（自动缓存与手动缓存）
#import
@interface WNetworkCache : NSObject
/**
* 手动写入/更新缓存
*
* @param jsonResponse 要写入的数据
* @param URL 请求URL
*
* @return 是否写入成功
*/
+(BOOL)saveJsonResponseToCacheFile:(id)jsonResponse andURL:(NSString *)URL;
/**
* 获取缓存的对象
*
* @param URL 请求URL
*
* @return 缓存对象
*/
+(id )cacheJsonWithURL:(NSString *)URL;
@end
/**
* 成功
*/
typedef void(^httpRequestSucess) (id responseObject);
/**
* 失败
*/
typedef void(^httpRequestFailed) (NSError *error);
/**
* 缓存
*/
typedef void(^httpRequestCache) (id jsonCache);
@interface XHNetworking : NSObject
/**
* POST请求
*
* @param URL URL String
* @param dic 参数
* @param success 成功回调
* @param failure 失败回调
*/
+(void)POST:(NSString *)URL parameters:(NSDictionary *)dic success:(httpRequestSucess)success failure:(httpRequestFailed)failure;
/**
* POST请求,自动缓存
*
* @param URL URL String
* @param dic 参数
* @param jsonCache 缓存回调
* @param success 成功回调
* @param failure 失败回调
*/
+(void)POST:(NSString *)URL parameters:(NSDictionary *)dic jsonCache:(httpRequestCache)jsonCache success:(httpRequestSucess)success failure:(httpRequestFailed)failure;
/**
* GET请求
*
* @param URL URL String
* @param dic 参数
* @param success 成功回调
* @param failure 失败回调
*/
+(void)GET:(NSString *)URL parameters:(NSDictionary *)dic success:(httpRequestSucess)success failure:(httpRequestFailed)failure;
/**
* GET请求,自动缓存
*
* @param URL URL String
* @param dic 参数
* @param jsonCache 缓存回调
* @param success 成功回调
* @param failure 失败回调
*/
+(void)GET:(NSString *)URL parameters:(NSDictionary *)dic jsonCache:(httpRequestCache)jsonCache success:(httpRequestSucess)success failure:(httpRequestFailed)failure;
@end
#import "WNetworkCache.h"
#import
#import "AFHTTPSessionManager.h"
#ifdef DEBUG
#define DebugLog(...) NSLog(__VA_ARGS__)
#else
#define DebugLog(...)
#endif
@interface WNetworkCache ()
@end
@implementation WNetworkCache
+(BOOL)saveJsonResponseToCacheFile:(id)jsonResponse andURL:(NSString *)URL
{
NSDictionary *json = jsonResponse;
if(json!=nil)
{
BOOL state =[NSKeyedArchiver archiveRootObject:jsonResponse toFile:[self cacheFilePathWithURL:URL]];
if(state)
{
DebugLog(@"缓存写入/更新成功");
}
return state;
}
return NO;
}
+(id )cacheJsonWithURL:(NSString *)URL
{
NSString *path = [self cacheFilePathWithURL:URL];
id cacheJson;
NSFileManager *fileManager = [NSFileManager defaultManager];
if ([fileManager fileExistsAtPath:path isDirectory:nil] == YES) {
cacheJson = [NSKeyedUnarchiver unarchiveObjectWithFile:path];
}
return cacheJson;
}
+ (NSString *)cacheFilePathWithURL:(NSString *)URL {
NSString *pathOfLibrary = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES) objectAtIndex:0];
NSString *path = [pathOfLibrary stringByAppendingPathComponent:@"XHNetworkCache"];
[self checkDirectory:path];//check路径
DebugLog(@"path = %@",path);
//文件名
NSString *cacheFileNameString = [NSString stringWithFormat:@"URL:%@ AppVersion:%@",URL,[self appVersionString]];
NSString *cacheFileName = [self md5StringFromString:cacheFileNameString];
path = [path stringByAppendingPathComponent:cacheFileName];
return path;
}
+(void)checkDirectory:(NSString *)path {
NSFileManager *fileManager = [NSFileManager defaultManager];
BOOL isDir;
if (![fileManager fileExistsAtPath:path isDirectory:&isDir]) {
[self createBaseDirectoryAtPath:path];
} else {
if (!isDir) {
NSError *error = nil;
[fileManager removeItemAtPath:path error:&error];
[self createBaseDirectoryAtPath:path];
}
}
}
+ (void)createBaseDirectoryAtPath:(NSString *)path {
__autoreleasing NSError *error = nil;
[[NSFileManager defaultManager] createDirectoryAtPath:path withIntermediateDirectories:YES
attributes:nil error:&error];
if (error) {
DebugLog(@"create cache directory failed, error = %@", error);
} else {
[self addDoNotBackupAttribute:path];
}
}
+ (void)addDoNotBackupAttribute:(NSString *)path {
NSURL *url = [NSURL fileURLWithPath:path];
NSError *error = nil;
[url setResourceValue:[NSNumber numberWithBool:YES] forKey:NSURLIsExcludedFromBackupKey error:&error];
if (error) {
DebugLog(@"error to set do not backup attribute, error = %@", error);
}
}
+ (NSString *)md5StringFromString:(NSString *)string {
if(string == nil || [string length] == 0) return nil;
const char *value = [string UTF8String];
unsigned char outputBuffer[CC_MD5_DIGEST_LENGTH];
CC_MD5(value, (CC_LONG)strlen(value), outputBuffer);
NSMutableString *outputString = [[NSMutableString alloc] initWithCapacity:CC_MD5_DIGEST_LENGTH * 2];
for(NSInteger count = 0; count < CC_MD5_DIGEST_LENGTH; count++){
[outputString appendFormat:@"%02x",outputBuffer[count]];
}
return outputString;
}
+ (NSString *)appVersionString {
return [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"];
}
@end
#pragma mark- @interface XHNetworking
@interface XHNetworking()
@end
@implementation XHNetworking
+(AFHTTPSessionManager *)createManager
{
AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
//申明请求类型:HTTP
//(AFJSONRequestSerializer,AFHTTPRequestSerializer)
manager.requestSerializer = [AFHTTPRequestSerializer serializer];
//申明返回的结果:JSON
//AFJSONResponseSerializer,AFHTTPResponseSerializer
manager.responseSerializer = [AFJSONResponseSerializer serializer];
manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json", @"text/json", @"text/javascript",@"text/html",@"text/plain", nil];
return manager;
}
/**
* POST请求
*/
+(void)POST:(NSString *)URL parameters:(NSDictionary *)dic success:(httpRequestSucess)success failure:(httpRequestFailed)failure
{
AFHTTPSessionManager *manager = [self createManager];
[manager POST:URL parameters:dic progress:^(NSProgress * _Nonnull uploadProgress) {
} success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
success(responseObject);
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
DebugLog(@"error=%@",error);
failure(error);
}];
}
/**
* POST请求,自动缓存
*/
+(void)POST:(NSString *)URL parameters:(NSDictionary *)dic jsonCache:(httpRequestCache)jsonCache success:(httpRequestSucess)success failure:(httpRequestFailed)failure;
{
//缓存
jsonCache([WNetworkCache cacheJsonWithURL:URL]);
AFHTTPSessionManager *manager = [self createManager];
[manager POST:URL parameters:dic progress:^(NSProgress * _Nonnull uploadProgress) {
} success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
success(responseObject);
[WNetworkCache saveJsonResponseToCacheFile:responseObject andURL:URL];
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
DebugLog(@"error=%@",error);
failure(error);
}];
}
/**
* GET请求
*/
+(void)GET:(NSString *)URL parameters:(NSDictionary *)dic success:(httpRequestSucess)success failure:(httpRequestFailed)failure
{
AFHTTPSessionManager *manager = [self createManager];
[manager GET:URL parameters:dic progress:^(NSProgress * _Nonnull uploadProgress) {
} success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
success(responseObject);
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
DebugLog(@"error=%@",error);
failure(error);
}];
}
/**
* GET请求,自动缓存
*/
+(void)GET:(NSString *)URL parameters:(NSDictionary *)dic jsonCache:(httpRequestCache)jsonCache success:(httpRequestSucess)success failure:(httpRequestFailed)failure{
//缓存
jsonCache([WNetworkCache cacheJsonWithURL:URL]);
AFHTTPSessionManager *manager = [self createManager];
[manager GET:URL parameters:dic progress:^(NSProgress * _Nonnull uploadProgress) {
} success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
success(responseObject);
[WNetworkCache saveJsonResponseToCacheFile:responseObject andURL:URL];
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
DebugLog(@"error=%@",error);
failure(error);
}];
}
@end