1.创建表
@"create table if not exists employee (id integer primary key, name text, salary real)"
2.插入表
@"insert into employee (name, salary) values (%@, %f)", self.nameTextField.text, self.salaryTextField.text.floatValue
3.删除
delete from employee
4查询
FMResultSet *resultSet = [self.db executeQuery:@"select * from employee"];
self.resultTextView.text = nil;
//循环
while ([resultSet next]) {
//选择方法
NSString *nameStr = [resultSet stringForColumn:@"name"];
double salary = [resultSet doubleForColumn:@"salary"];
self.resultTextView.text = [self.resultTextView.text stringByAppendingFormat:@"\n%@, %f",nameStr, salary];