[ci skip] docs(usage): 添加文档在小项目中推荐使用的数据库表实现方案。

2026-06-04 15:28:20 +08:00 · 2022-07-01 22:18:35 +08:00
parent daa430cb14
commit c79d833d04
3 changed files with 131 additions and 1 deletions
@@ -0,0 +1,52 @@
+import cc.carm.lib.easysql.api.SQLManager;
+import cc.carm.lib.easysql.api.SQLTable;
+import cc.carm.lib.easysql.api.enums.IndexType;
+import cc.carm.lib.easysql.api.enums.NumberType;
+import cc.carm.lib.easysql.api.table.NamedSQLTable;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.sql.SQLException;
+
+public enum DataTables1 {
+
+    DATA(SQLTable.of("data", (table) -> {
+        table.addAutoIncrementColumn("id", true);
+        table.addColumn("user", "INT UNSIGNED NOT NULL");
+        table.addColumn("content", "TEXT NOT NULL");
+        table.addColumn("time", "DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP");
+    })),
+
+    USER(SQLTable.of("user", (table) -> {
+        table.addAutoIncrementColumn("id", NumberType.INT, true, true);
+        table.addColumn("uuid", "VARCHAR(32) NOT NULL UNIQUE KEY");
+        table.addColumn("username", "VARCHAR(16) NOT NULL");
+        table.addColumn("age", "TINYINT NOT NULL DEFAULT 1");
+        table.addColumn("email", "VARCHAR(32)");
+        table.addColumn("phone", "VARCHAR(16)");
+        table.addColumn("registerTime", "DATETIME NOT NULL");
+        table.setIndex("username", IndexType.UNIQUE_KEY); // 添加唯一索引
+        table.setIndex(IndexType.INDEX, "contact", "email", "phone"); //添加联合索引 (示例)
+    }));
+
+    private final NamedSQLTable table;
+
+    DataTables1(NamedSQLTable table) {
+        this.table = table;
+    }
+
+    public NamedSQLTable get() {
+        return this.table;
+    }
+
+    public static void initialize(@NotNull SQLManager manager, @Nullable String tablePrefix) {
+        for (DataTables1 value : values()) {
+            try {
+                value.get().create(manager, tablePrefix);
+            } catch (SQLException e) {
+                // 提示异常
+            }
+        }
+    }
+
+}