IOS 简单粗暴的方式 实现H5App
2024-04-16 18:27:19
接上篇文章 更新IOS 版本
话不多少直接上代码
1、主ViewController
ViewController.h
#import <UIKit/UIKit.h>@interface ViewController : UIViewController@endViewController.m
#import "ViewController.h"
#import "AppDelegate.h"
#import "ViewHomePageController.h"
#import <sqlite3.h>
#import "Person.h"@interface ViewController ()
@property (weak, nonatomic) IBOutlet UITextField *textCodeId;@end@implementation ViewController- (void)viewDidLoad {[super viewDidLoad];[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];[self performSelectorOnMainThread:@selector(selectLocalId:) withObject:nil waitUntilDone:NO];
}- (void)didReceiveMemoryWarning {[super didReceiveMemoryWarning];// Dispose of any resources that can be recreated.
}
-(void)successDoAction:(NSDictionary*) dict{NSLog(@"%@",dict);NSLog(@"网址为");NSDictionary *dictItem =[dict valueForKey:@"Code"];NSLog(@"%@：", [dictItem valueForKey:@"addvalue"] );if([[dict valueForKey:@"respState"] isEqualToString:@"00"]){// NSThread *thread = [[NSThread alloc] initWithTarget:self selector:@selector(createLocalId:) object:[dictItem valueForKey:@"addvalue"]];
// [thread setName:@"post新的线程"];
// [thread start];[self performSelectorOnMainThread:@selector(createLocalId:) withObject:[dictItem valueForKey:@"addvalue"] waitUntilDone:NO];}else{// 提示框UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"激活失败" message:[dict valueForKey:@"respMessage"] delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];[alert show];return;}
}
-(void)postHttp:(NSArray*) codeId{//对请求路径的说明//http://120.25.226.186:32812/login//协议头+主机地址+接口名称//协议头(http://)+主机地址(120.25.226.186:32812)+接口名称(login)//POST请求需要修改请求方法为POST，并把参数转换为二进制数据设置为请求体//1.创建会话对象NSURLSession *session = [NSURLSession sharedSession];//2.确立请求路径NSURL *url = [NSURL URLWithString:@"你自己的服务接口"];//3.创建可变的请求对象NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];//4.修改请求方法为POSTrequest.HTTPMethod = @"POST";NSString *data =[[NSString alloc] initWithFormat:@"code=%@&type=JSON", codeId ];NSLog(@"___________参数%@",data);//5.设置请求体request.HTTPBody = [data dataUsingEncoding:NSUTF8StringEncoding];//6.根据会话对象创建一个Task(发送请求）/*第一个参数：请求对象第二个参数：completionHandler回调（请求完成【成功|失败】的回调）data：响应体信息（期望的数据）response：响应头信息，主要是对服务器端的描述error：错误信息，如果请求失败，则error有值*/NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {if(!error){//8.解析数据NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil];// NSLog(@"%@",dict);[NSThread sleepUntilDate:[NSDate dateWithTimeIntervalSinceNow:0]];[self performSelectorOnMainThread:@selector(successDoAction:) withObject:dict waitUntilDone:NO];}else{UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Information" message:@"请求失败" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];[alert show];}}];//7.执行任务[dataTask resume];
}
-(IBAction)getAction:(id)obj{// [_textCodeId resignFirstResponder];NSString *codeId = self.textCodeId.text;NSThread *thread = [[NSThread alloc] initWithTarget:self selector:@selector(postHttp:) object:codeId];[thread setName:@"post新的线程"];[thread start];
};-(void)createLocalId:(NSString*) arg{//1. 打开(建立)数据库NSLog(@"---------------------------------开始链接数据库-----------------------------------");NSString *cacheDir = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];NSString *filename = [cacheDir stringByAppendingPathComponent:@"test.sqlite"];sqlite3 * db = nil;NSLog(@"---------------------------------链接开始-----------------------------------");//0表示成功，1表示失败sqlite3_open(filename.UTF8String, &db);if (!db) {NSLog(@"---------------------------------数据库打开失败，建立失败---------------------------------");return;}NSLog(@"---------------------------------链接完成------------------------------------");char *errmsg = nil;//2.一般用来执行无返回结果的sql 命令,（可以执行任何SQL语句）//创建数据库char * createTableSql = "create table if not exists t_person(id integer primary key,name text not null unique,age integer);";int rs = sqlite3_exec(db, createTableSql, NULL, NULL, &errmsg);if (errmsg) {NSLog(@"---------------------------------创建失败---------------------------------");NSLog(@"%s--errorCode:%d",errmsg,rs);}NSLog(@"---------------------------------开始插入数据------------------------------------");//3.插入数据NSString *insertSql = [NSString stringWithFormat:@"insert into t_person(name,age) values('%@',%d);",arg,arc4random()%100+10];char *errmsg1 = nil;sqlite3_exec(db, insertSql.UTF8String, NULL, NULL, &errmsg);if (errmsg1) {NSLog(@"---------------------------------插入失败---------------------------------");NSLog(@"insert error:%s",errmsg);}else{UIStoryboard *story = [UIStoryboard storyboardWithName:@"Main"bundle:nil];ViewHomePageController *storVC = [story instantiateViewControllerWithIdentifier:@"Home"];// [self.navigationController pushViewController:storVC animated:YES];//带返回按钮[self presentViewController:storVC animated:YES completion:^{}];}
}
-(void)selectLocalId:(id) arg{//1. 打开(建立)数据库NSLog(@"---------------------------------开始链接数据库-----------------------------------");NSString *cacheDir = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];NSString *filename = [cacheDir stringByAppendingPathComponent:@"test.sqlite"];sqlite3 * db = nil;NSLog(@"---------------------------------链接开始-----------------------------------");//0表示成功，1表示失败sqlite3_open(filename.UTF8String, &db);NSLog(@"---------------------------------开始查询数据------------------------------------");//4.查询数据 尽量使用const char * 不要用NSString ,容易出错const char* selectSql = "select * from t_person";sqlite3_stmt * stmt = nil;sqlite3_prepare(db, selectSql, (int)strlen(selectSql), &stmt, NULL);if (stmt) {while (sqlite3_step(stmt) == SQLITE_ROW) {Person *person = [[Person alloc]init];person.id = sqlite3_column_int(stmt, 0);person.name = [NSString stringWithUTF8String:(char *)sqlite3_column_text(stmt, 1)];person.age = sqlite3_column_int(stmt, 2);NSLog(@"---------------------------------查询结果---------------------------------");NSLog(@"%@",person);}UIStoryboard *story = [UIStoryboard storyboardWithName:@"Main"bundle:nil];ViewHomePageController *storVC = [story instantiateViewControllerWithIdentifier:@"Home"];// [self.navigationController pushViewController:storVC animated:YES];//带返回按钮
// [self presentModalViewController:storVC animated:YES];[self presentViewController:storVC animated:YES completion:^{}];}else{UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"当前软件未激活：" message:@"请填写激活码" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];[alert show];}
};@endViewHomePageController.h
#ifndef ViewHomePageController_h
#define ViewHomePageController_h#endif /* ViewHomePageController_h */
#import <UIKit/UIKit.h>@interface ViewHomePageController : UIViewController
{UIWebView *webView;
}
@endViewHomePageController.m
#import <Foundation/Foundation.h>
#import "ViewHomePageController.h"
#import <sqlite3.h>
#import "Person.h"@interface ViewHomePageController ()
@end@implementation ViewHomePageController
- (void)viewDidLoad
{[super viewDidLoad];NSString *url = nil;url = [self selectLocalId];webView = [[UIWebView alloc] initWithFrame:CGRectMake(0, 0, [[UIScreen mainScreen] bounds].size.width, [[UIScreen mainScreen] bounds].size.height)];webView.scalesPageToFit = YES; // 自动对页面进行缩放以适应屏幕NSURLRequest *request =[NSURLRequest requestWithURL:[NSURL URLWithString:url]];[self.view addSubview: webView];[webView loadRequest:request];
};
-(NSString*)selectLocalId{//1. 打开(建立)数据库NSLog(@"++++++++++++++++++++++++++++++++++开始链接数据库+++++++++++++++++++++++++++");NSString *cacheDir = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];NSString *filename = [cacheDir stringByAppendingPathComponent:@"test.sqlite"];sqlite3 * db = nil;NSLog(@"+++++++++++++++++++++++链接开始+++++++++++++++++++++++++++");//0表示成功，1表示失败sqlite3_open(filename.UTF8String, &db);NSLog(@"++++++++++++++++++++++++++++开始查询数据++++++++++++++++++++");//4.查询数据 尽量使用const char * 不要用NSString ,容易出错const char* selectSql = "select * from t_person";sqlite3_stmt * stmt = nil;sqlite3_prepare(db, selectSql, (int)strlen(selectSql), &stmt, NULL);NSString *indexUrl = @"";if (stmt) {while (sqlite3_step(stmt) == SQLITE_ROW) {Person *person = [[Person alloc]init];person.id = sqlite3_column_int(stmt, 0);person.name = [NSString stringWithUTF8String:(char *)sqlite3_column_text(stmt, 1)];person.age = sqlite3_column_int(stmt, 2);NSLog(@"+++++++++++++++++++查询结果++++++++++++++++++++++");NSLog(@"%@",person);indexUrl = person.name;}
// UIStoryboard *story = [UIStoryboard storyboardWithName:@"Main"bundle:nil];
// ViewHomePageController *storVC = [story instantiateViewControllerWithIdentifier:@"Home"];
// // [self.navigationController pushViewController:storVC animated:YES];//带返回按钮
// [self presentModalViewController:storVC animated:YES];}
return indexUrl;
};
@endPerson.h
#ifndef Person_h
#define Person_h#endif /* Person_h */#import <Foundation/Foundation.h>@interface Person : NSObject<NSCoding>
@property (nonatomic ,assign)int id;
@property (nonatomic ,copy) NSString *name;
@property (nonatomic ,assign)int age;
@end
Person.m
#import <Foundation/Foundation.h>
#import "Person.h"@implementation Person
-(NSString *)description{return [NSString stringWithFormat:@"id:%d--name:%@--age:%d",self.id,self.name,self.age];
}
-(instancetype)initWithCoder:(NSCoder *)decoder{if (self = [super init]) {self.id = [decoder decodeIntForKey:@"id"];self.name = [decoder decodeObjectForKey:@"name"];self.age = [decoder decodeIntForKey:@"age"];}return self;
}
-(void)encodeWithCoder:(NSCoder *)encoder{[encoder encodeInt:self.idforKey:@"id"];[encoder encodeObject:self.name forKey:@"name"];[encoder encodeInt:self.age forKey:@"age"];
}
@end没什么难的，就这么简单，原理就是一个请求，一个跳转，一个webview，代码过于简单仅供参考
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