iOS数据库中表名的预览

iOS/DoraemonKit/Src/Core/Plugin/Sanbox/Util/DoraemonDBManager.h

+//
+//  DoraemonDBManager.h
+//  DoraemonKit-DoraemonKit
+//
+//  Created by yixiang on 2019/3/30.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface DoraemonDBManager : NSObject
+
++ (DoraemonDBManager *)shareManager;
+
+@property (nonatomic, copy) NSString *dbPath;
+@property (nonatomic, copy) NSString *tableName;
+
+- (NSArray *)tablesAtDB;
+
+@end
+
+NS_ASSUME_NONNULL_END

iOS/DoraemonKit/Src/Core/Plugin/Sanbox/Util/DoraemonDBManager.m

+//
+//  DoraemonDBManager.m
+//  DoraemonKit-DoraemonKit
+//
+//  Created by yixiang on 2019/3/30.
+//
+
+#import "DoraemonDBManager.h"
+#import <sqlite3.h>
+
+@interface DoraemonDBManager()
+
+
+
+@end
+
+@implementation DoraemonDBManager
+
++ (DoraemonDBManager *)shareManager{
+    static dispatch_once_t once;
+    static DoraemonDBManager *instance;
+    dispatch_once(&once, ^{
+        instance = [[DoraemonDBManager alloc] init];
+    });
+    return instance;
+}
+
+//打开数据库
+- (sqlite3 *)openDB{
+    sqlite3 *db = nil;
+    sqlite3_open([self.dbPath UTF8String], &db);
+    return db;
+}
+
+//获取指定路径数据库中的数据表
+- (NSArray *)tablesAtDB{
+    sqlite3 *db = [self openDB];
+    if (db == nil) {
+        return nil;
+    }
+    NSMutableArray *tableNameArray = [NSMutableArray array];
+    //查询sqlite_master表
+    NSString *sql = @"select type, tbl_name from sqlite_master";
+    sqlite3_stmt *stmt = NULL;
+    if (sqlite3_prepare_v2(db, sql.UTF8String, -1, &stmt, NULL) == SQLITE_OK) {
+        while (sqlite3_step(stmt) == SQLITE_ROW) {
+            const unsigned char *type_c = sqlite3_column_text(stmt, 0);
+            const unsigned char *tbl_name_c = sqlite3_column_text(stmt, 1);
+            NSString *type = [NSString stringWithUTF8String:type_c];
+            NSString *tbl_name = [NSString stringWithUTF8String:tbl_name_c];
+            if (type && [type isEqualToString:@"table"]) {
+                [tableNameArray addObject:tbl_name];
+            }
+        }
+    }
+    return tableNameArray;
+}
+
+
+
+@end

iOS/DoraemonKit/Src/Core/Plugin/Sanbox/VC/DoraemonDBTableViewController.h

+//
+//  DoraemonDBTableViewController.h
+//  AFNetworking
+//
+//  Created by yixiang on 2019/3/31.
+//
+
+#import "DoraemonBaseViewController.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface DoraemonDBTableViewController : DoraemonBaseViewController
+
+@end
+
+NS_ASSUME_NONNULL_END

iOS/DoraemonKit/Src/Core/Plugin/Sanbox/VC/DoraemonDBTableViewController.m

+//
+//  DoraemonDBTableViewController.m
+//  AFNetworking
+//
+//  Created by yixiang on 2019/3/31.
+//
+
+#import "DoraemonDBTableViewController.h"
+#import "DoraemonDBManager.h"
+
+@interface DoraemonDBTableViewController ()
+
+@end
+
+@implementation DoraemonDBTableViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    self.title = [DoraemonDBManager shareManager].tableName;
+    
+    
+}
+
+@end

iOS/DoraemonKit/Src/Core/Plugin/Sanbox/VC/DoraemonSanboxDetailViewController.m

@@ -12,12 +12,16 @@
 #import "UIView+Doraemon.h"
 #import "Doraemoni18NUtil.h"
 #import <QuickLook/QuickLook.h>
+#import "DoraemonDBManager.h"
+#import "DoraemonDBTableViewController.h"
 
-@interface DoraemonSanboxDetailViewController ()<QLPreviewControllerDelegate,QLPreviewControllerDataSource>
+@interface DoraemonSanboxDetailViewController ()<QLPreviewControllerDelegate,QLPreviewControllerDataSource,UITableViewDelegate,UITableViewDataSource>
 
 @property (nonatomic, strong) UIImageView *imageView;
 @property (nonatomic, strong) UITextView *textView;
 @property (nonatomic, strong) AVPlayerViewController *playerView;
+@property (nonatomic, copy) NSArray *tableNameArray;
+@property (nonatomic, strong) UITableView *dbTableNameTableView;
 
 @end
 
@@ -56,8 +60,8 @@
             
         } else if([path hasSuffix:@".DB"] || [path hasSuffix:@".db"] || [path hasSuffix:@".sqlite"] || [path hasSuffix:@".SQLITE"]){
             //数据库文件
-            
-            
+            self.title = DoraemonLocalizedString(@"数据库预览");
+            [self browseDBTable];
         }else {
             // 其他文件 尝试使用 QLPreviewController进行打开
             QLPreviewController *myQlPreViewController = [[QLPreviewController alloc]init];
@@ -131,6 +135,43 @@
     [self.view addSubview:self.playerView.view];
 }
 
+//浏览数据库中所有数据表
+- (void)browseDBTable{
+    [DoraemonDBManager shareManager].dbPath = self.filePath;
+    self.tableNameArray = [[DoraemonDBManager shareManager] tablesAtDB];
+    self.dbTableNameTableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, self.view.doraemon_width, self.view.doraemon_height) style:UITableViewStylePlain];
+    self.dbTableNameTableView.backgroundColor = [UIColor whiteColor];
+    self.dbTableNameTableView.delegate = self;
+    self.dbTableNameTableView.dataSource = self;
+    [self.view addSubview:self.dbTableNameTableView];
+}
+
+#pragma mark - UITableViewDelegate,UITableViewDataSource
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+    return self.tableNameArray.count;
+}
+
+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+    static NSString *identifer = @"db_table_name";
+    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifer];
+    if (!cell) {
+        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifer];
+    }
+    cell.textLabel.text = self.tableNameArray[indexPath.row];
+    return cell;
+}
+
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
+    [tableView deselectRowAtIndexPath:indexPath animated:YES];
+    NSString* tableName = [self.tableNameArray objectAtIndex:indexPath.row];
+    [DoraemonDBManager shareManager].tableName = tableName;
+    
+    DoraemonDBTableViewController *vc = [[DoraemonDBTableViewController alloc] init];
+    [self.navigationController pushViewController:vc animated:YES];
+}
+
+
+#pragma mark - QLPreviewControllerDataSource
 - (NSInteger)numberOfPreviewItemsInPreviewController:(QLPreviewController *)controller{
     return 1;
 }
@@ -140,4 +181,5 @@
     
 }
 
+
 @end

iOS/DoraemonKitDemo/DoraemonKitDemo/DemoVC/Sanbox/DoraemonDemoSanboxViewController.m

@@ -9,6 +9,7 @@
 #import "DoraemonDemoSanboxViewController.h"
 #import <DoraemonKit/UIView+Doraemon.h>
 #import "DoraemonDefine.h"
+#import <sqlite3.h>
 
 @interface DoraemonDemoSanboxViewController ()
 
@@ -49,6 +50,12 @@
     [btn4 setTitle:@"添加html到沙盒中" forState:UIControlStateNormal];
     [btn4 addTarget:self action:@selector(addHtmlFile) forControlEvents:UIControlEventTouchUpInside];
     [self.view addSubview:btn4];
+    
+    UIButton *btn5 = [[UIButton alloc] initWithFrame:CGRectMake(0, btn4.doraemon_bottom+20, self.view.doraemon_width, 60)];
+    btn5.backgroundColor = [UIColor orangeColor];
+    [btn5 setTitle:@"添加DB到沙盒中" forState:UIControlStateNormal];
+    [btn5 addTarget:self action:@selector(addDBFile) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:btn5];
 }
 
 - (void)addFile{
@@ -98,6 +105,48 @@
     [self copyBundleToSanboxWithName:@"doraemon" type:@"html"];
 }
 
+- (void)addDBFile{
+    NSString *path_document = NSHomeDirectory();
+    NSString *appendingString = [NSString stringWithFormat:@"/Documents/doraemon.db"];
+    NSString *toPath = [path_document stringByAppendingString:appendingString];
+    const char *filename = [toPath UTF8String];
+    sqlite3 *db = nil;
+    int result = sqlite3_open(filename, &db);
+    if(result == SQLITE_OK){
+        NSLog(@"打开数据库成功");
+    }else{
+        NSLog(@"打开数据库失败");
+    }
+    
+    //2.创建表
+    const char  *sql = "CREATE TABLE IF NOT EXISTS t_students (id integer PRIMARY KEY AUTOINCREMENT,name text NOT NULL,age integer NOT NULL);";
+    char *errmsg = NULL;
+    result = sqlite3_exec(db, sql, NULL, NULL, &errmsg);
+    if (result == SQLITE_OK) {
+        NSLog(@"创表成功");
+    }else{
+        NSLog(@"创表失败----%s",errmsg);
+    }
+    
+    //插入数据
+    for (int i=0; i<20; i++) {
+        //1.拼接SQL语句
+        NSString *name=[NSString stringWithFormat:@"文晓--%d",arc4random_uniform(100)];
+        int age=arc4random_uniform(20)+10;
+        NSString *sql=[NSString stringWithFormat:@"INSERT INTO t_students (name,age) VALUES ('%@',%d);",name,age];
+        
+        //2.执行SQL语句
+        char *errmsg=NULL;
+        sqlite3_exec(db, sql.UTF8String, NULL, NULL, &errmsg);
+        if (errmsg) {//如果有错误信息
+            NSLog(@"插入数据失败--%s",errmsg);
+        }else
+        {
+            NSLog(@"插入数据成功");
+        }
+    }
+}
+
 - (void)copyBundleToSanboxWithName:(NSString *)name type:(NSString *)type{
     NSFileManager *fileManage = [NSFileManager defaultManager];