public static readonly string connectionString = @"Data Source= C:\sqlite3\study.db;Version=3;";这句代码是什么意思
时间: 2024-04-10 19:31:53 浏览: 9
这段代码定义了一个名为 `connectionString` 的公共静态只读字符串变量,它存储了一个连接到 SQLite 数据库的连接字符串。连接字符串指定了数据库文件的路径(在这个例子中是 `C:\sqlite3\study.db`),以及使用的数据库引擎的版本(这里使用的是版本 3)。这个连接字符串可以被用于在代码中建立与 SQLite 数据库的连接,以进行数据操作。
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private static readonly ILog log = LogManager.GetLogger(typeof(ProgLog)); public static void InfoText(string msg) { log.Info(msg); } 这段代码什么意思
这段代码定义了一个静态只读变量"log",使用log4net框架的LogManager获取Logger类型的"ProgLog"对象。然后定义了一个公共的静态方法"InfoText",该方法接收一个字符串参数,将该参数作为信息记录到Logger中的Info级别。这段代码的作用是记录Info级别的日志信息。
<Rating :modelValue="data.description" readonly :cancel="false" @mouseover="toggle" class="p-rating-item-active"/>
As an AI language model, I cannot fully understand the context of your code. However, based on my understanding of Vue.js, this code seems to be defining a rating component with the following props:
- `modelValue`: The value of the rating. It is bound to the `data.description` property.
- `readonly`: A boolean that determines whether the rating is read-only or not.
- `cancel`: A boolean that determines whether the rating can be cancelled or not.
- `@mouseover`: A Vue.js event that triggers the `toggle` method when the mouse is over the rating component.
The `class` attribute specifies the CSS class for the active rating item.