查看工程中图片资源大小，是否使用

1.全局变量：

@property (nonatomic, assign) BOOL isPicUsed;

2.方法：

- (NSInteger)codeLinesWithPath:(NSString *)path{

NSFileManager *fileManaget = [NSFileManager defaultManager];

BOOL isDir = NO;

BOOL isExist = [fileManaget fileExistsAtPath:path isDirectory:&isDir];

if (!isExist) {

return 0;

}

if (isDir) {//文件夹

NSArray *arr = [fileManaget contentsOfDirectoryAtPath:path error:nil];

int sum = 0;

for (NSString *fileName in arr) {//文件(夹)

NSString *fullPath = [NSString stringWithFormat:@"%@/%@",path,fileName];

sum += [self codeLinesWithPath:fullPath];

}

return sum;

}else{//文件

/*

NSString *extension = [[path pathExtension] lowercaseString];

if (!([extension isEqualToString:@"h"] || [extension isEqualToString:@"m"] || [extension isEqualToString:@"mm"])) {

return 0;

}

NSString *content = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];

NSArray *arr = [content componentsSeparatedByString:@"\n"];

return arr.count;

*/

NSString *extension = [[path pathExtension] lowercaseString];

if ([extension isEqualToString:@"png"] || [extension isEqualToString:@"jpg"] || [extension isEqualToString:@"gif"]) {

NSString *imageName = path.lastPathComponent;

NSArray *imgArr = [imageName componentsSeparatedByString:@"@"];

imageName = imgArr.firstObject;

imgArr = [imageName componentsSeparatedByString:@"."];

imageName = imgArr.firstObject;

self.isPicUsed = NO;

[self isImageUsedWithImageName:[NSString stringWithFormat:@"\"%@\"",imageName] path:@"Users/lixiang/Desktop/CrazyTeacher/Customer/CrazyTeacherApp"];

NSData *data = [NSData dataWithContentsOfFile:path];

NSLog(@"lastPathComponent:%@,imageName:%@,size:%.1fkb,isUsed:%d",[path stringByReplacingOccurrencesOfString:@"Users/lixiang/Desktop/CrazyTeacher/Customer/CrazyTeacherApp" withString:@""],imageName,data.length/1024.0,self.isPicUsed);

return 1;

} else {

return 0;

}

}

return 0;

}

- (void)isImageUsedWithImageName:(NSString *)imageName path:(NSString *)path{

if (self.isPicUsed) {

return;

}

NSFileManager *fileManaget = [NSFileManager defaultManager];

BOOL isDir = NO;

BOOL isExist = [fileManaget fileExistsAtPath:path isDirectory:&isDir];

if (!isExist) {

}

if (isDir) {//文件夹

NSArray *arr = [fileManaget contentsOfDirectoryAtPath:path error:nil];

for (NSString *fileName in arr) {//文件(夹)

NSString *fullPath = [NSString stringWithFormat:@"%@/%@",path,fileName];

[self isImageUsedWithImageName:imageName path:fullPath];

}

}else{//文件

NSString *extension = [[path pathExtension] lowercaseString];

if ([extension isEqualToString:@"h"] || [extension isEqualToString:@"m"] || [extension isEqualToString:@"mm"] || [extension isEqualToString:@"xib"] || [extension isEqualToString:@"storyBoard"]) {

NSString *content = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];

if ([extension isEqualToString:@"plist"]) {

if ([content containsString:[imageName stringByReplacingOccurrencesOfString:@"\"" withString:@""]]) {

self.isPicUsed = YES;

}

} else {

if ([content containsString:imageName]) {

self.isPicUsed = YES;

}

}

}

}

}

3.调用

NSInteger lineCount = [self codeLinesWithPath:@"Users/lixiang/Desktop/CrazyTeacher/Customer/CrazyTeacherApp"];