this is sqlite ORM (an automatic database operation)
thread-safe and not afraid of recursive deadlock
简书:不定时更新 http://www.jianshu.com/users/376b950a20ec
Supported NSArray,NSDictionary, ModelClass, NSNumber, NSString, NSDate, NSData, UIColor, UIImage, CGRect, CGPoint, CGSize, NSRange, int,char,float, double, long.. attribute to insert and select automation.
全面支持 NSArray,NSDictionary, ModelClass, NSNumber, NSString, NSDate, NSData, UIColor, UIImage, CGRect, CGPoint, CGSize, NSRange, int,char,float, double, long.. 等属性的自动化操作(插入和查询)
If you are using CocoaPods, then, just add this line to your Podfile
pod 'LKDBHelper'
If you are using encryption, Order can not be wrong
pod 'FMDB/SQLCipher'
pod 'LKDBHelper'
@property(strong,nonatomic)NSString* encryptionKey;
@interface LKTest : NSObject
@property (nonatomic, copy) NSURL *url;
@property (nonatomic, copy) NSString *name;
@property (nonatomic, assign) NSUInteger age;
@property (nonatomic, assign) BOOL isGirl;
@property (nonatomic, strong) LKTestForeign *address;
@property (nonatomic, strong) NSArray *blah;
@property (nonatomic, strong) NSDictionary *hoho;
@property (nonatomic, assign) char like;
...
+ (NSString *)getTableName {
return @"LKTestTable";
}
@interface NSObject (LKDBHelper_Delegate)
+ (void)dbDidCreateTable:(LKDBHelper *)helper tableName:(NSString *)tableName;
+ (void)dbDidAlterTable:(LKDBHelper *)helper tableName:(NSString *)tableName addColumns:(NSArray *)columns;
+ (BOOL)dbWillInsert:(NSObject *)entity;
+ (void)dbDidInserted:(NSObject *)entity result:(BOOL)result;
+ (BOOL)dbWillUpdate:(NSObject *)entity;
+ (void)dbDidUpdated:(NSObject *)entity result:(BOOL)result;
+ (BOOL)dbWillDelete:(NSObject *)entity;
+ (void)dbDidDeleted:(NSObject *)entity result:(BOOL)result;
///data read finish
+ (void)dbDidSeleted:(NSObject *)entity;
@end
LKTestForeign *foreign = [[LKTestForeign alloc] init];
foreign.address = @":asdasdasdsadasdsdas";
foreign.postcode = 123341;
foreign.addid = 213214;
//插入数据 insert table row
LKTest *test = [[LKTest alloc] init];
test.name = @"zhan san";
test.age = 16;
//外键 foreign key
test.address = foreign;
test.blah = @[@"1", @"2", @"3"];
test.blah = @[@"0", @[@1] ,@{ @"2" : @2 }, foreign];
test.hoho = @{@"array" : test.blah, @"foreign" : foreign, @"normal" : @123456, @"date" : [NSDate date]};
//同步 插入第一条 数据 Insert the first
[test saveToDB];
//or
//[globalHelper insertToDB:test];
select:
NSMutableArray *array = [LKTest searchWithWhere:nil orderBy:nil offset:0 count:100];
for (id obj in array) {
addText(@"%@",[obj printAllPropertys]);
}
delete:
[LKTest deleteToDB:test];
update:
test.name = "rename";
[LKTest updateToDB:test where:nil];
isExists:
[LKTest isExistsWithModel:test];
rowCount:
[LKTest rowCountWithWhere:nil];
For example:
single: @"rowid = 1" or @{ @"rowid" : @1 }
more: @"rowid = 1 and sex = 0" or @{ @"rowid" : @1, @"sex" : @0 }
when where is "or" type , such as @"rowid = 1 or sex = 0"
you only use NSString
array: @"rowid in (1,2,3)" or @{ @"rowid" : @[@1, @2, @3] }
composite: @"rowid in (1,2,3) and sex=0 " or @{ @"rowid" : @[@1, @2, @3], @"sex" : @0}
If you want to be judged , only use NSString
For example: @"date >= '2013-04-01 00:00:00'"
overwirte getTableMapping Function (option)
//手动or自动 绑定sql列
+ (NSDictionary *)getTableMapping {
return @{ @"name" : LKSQL_Mapping_Inherit,
@"MyAge" : @"age",
@"img" : LKSQL_Mapping_Inherit,
@"MyDate" : @"date",
// version 2 after add
@"color" : LKSQL_Mapping_Inherit,
//version 3 after add
@"address" : LKSQL_Mapping_UserCalculate,
@"error" : LKSQL_Mapping_Inherit
};
}
// 表结构更新回调
+ (void)dbDidAlterTable:(LKDBHelper *)helper tableName:(NSString *)tableName addColumns:(NSArray *)columns {
for (int i = 0; i < columns.count; i++) {
LKDBProperty *p = [columns objectAtIndex:i];
if ([p.propertyName isEqualToString:@"error"]) {
[helper executeDB:^(FMDatabase *db) {
NSString *sql = [NSString stringWithFormat:@"update %@ set error = name", tableName];
[db executeUpdate:sql];
}];
}
}
LKErrorLog(@"your know %@", columns);
}
// 定制化列属性
+ (void)columnAttributeWithProperty:(LKDBProperty *)property {
if ([property.sqlColumnName isEqualToString:@"MyAge"]) {
property.defaultValue = @"15";
} else if ([property.propertyName isEqualToString:@"date"]) {
// if you use unique,this property will also become the primary key
// property.isUnique = YES;
property.checkValue = @"MyDate > '2000-01-01 00:00:00'";
property.length = 30;
}
}
table test data
foreign key data
Remember to override the class function getTableName
for model.
Version 1.1 @ 2012-6-20
Version 1.0 @ 2013-5-19
Version 0.0.1 @ 2012-10-1
This code is distributed under the terms and conditions of the MIT license.
Author: Jianghuai Li
Contributors: waiting for you to join
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