iOS 打开本地邮箱 APP

-(void)launchNativeMailApp {

NSMutableString *mailUrl = [[NSMutableString alloc]init];
//add Addressee
NSArray *toRecipients = [NSArray arrayWithObject: @"[email protected]"];
[mailUrl appendFormat:@"mailto:%@", [toRecipients componentsJoinedByString:@","]];
//add Carbon Copy
[mailUrl appendFormat:@"?cc="];
//add blind carbon copy
[mailUrl appendFormat:@"&bcc="];
//add subject
NSString *subject = [NSString stringWithFormat:@"&subject=From  - %lu",(unsigned long)[Context shared].accountManager.student.sid];
[mailUrl appendString:subject];
//add content
NSString *message = @"&body=";
message = [message stringByAppendingString:@"请告诉我们您的问题：
"];
message = [message stringByAppendingString:@"







"];                // we skip 8 lines
message = [message stringByAppendingString:[NSString stringWithFormat:@"Student ID：%lu 
", (unsigned long)[Context shared].accountManager.student.sid]];
message = [message stringByAppendingString:[NSString stringWithFormat:@"School Code：%@ 
", [Context shared].accountManager.student.course.courseSchool]];
message = [message stringByAppendingString:[NSString stringWithFormat:@"Device：%@ 
",      [UIDevice getDeviceName]]];
message = [message stringByAppendingString:[NSString stringWithFormat:@"iOS Version：%@ 
", [[UIDevice currentDevice] systemVersion]]];
message = [message stringByAppendingString:[NSString stringWithFormat:@"Region：%@ 
",      [Context shared].accountManager.student.profile.country]];

[mailUrl appendString:message];

NSString* email = [mailUrl stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding];

[[UIApplication sharedApplication] openURL: [NSURL URLWithString:email]];

}