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@ -55,5 +55,48 @@ |
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} |
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```` |
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### 关系型数据库 |
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- 请查看以下代码 |
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````C++ |
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#include <iostream> |
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#include <vector> |
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#include "ovo.h" |
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int main() |
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{ |
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ovo::db db("database\\my_data"); //自定义数据库文件夹 |
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ovo::data newData; |
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std::vector<string> v; |
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//配置各列名称 |
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v.push_back("name"); |
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v.push_back("id"); |
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db._createTable("TableName", v); //用表名和列表名vector创建table |
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//db._createTable("TableName", v, vv); //你也可以传入第三个vector<string>指定索引,默认全部列为索引 |
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newData["id"] = "1515"; |
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newData["name"] = "iotcat"; |
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db.insertSQL("TableName", newData); //插入新数据 |
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ovo::data FilterData; |
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FilterData["iotcat"] = "iotcat"; |
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std::cout << "Found " db.getNumSQL("TableName", FilterData) << " Items!!" << std::endl; //获取满足FilterData条件的数据条数 |
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vector<ovo::data> resData = db.getSQL("TableName", FilterData); //获取所有满足条件的数据块 |
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//显示所有接收到的数据 |
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for(auto i : resData){ |
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std::cout << i.showAll() << std::endl; |
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} |
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return 0; |
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} |
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```` |
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