移动类位置。

src/main/java/xyz/zhouxy/plusone/commons/sql/JdbcSql.java

@@ -0,0 +1,66 @@
+package xyz.zhouxy.plusone.commons.sql;
+
+import java.util.Collection;
+
+public class JdbcSql extends SQL<JdbcSql> {
+
+    JdbcSql() {
+        super();
+    }
+
+    public static JdbcSql newSql() {
+        return new JdbcSql();
+    }
+
+    @Override
+    public JdbcSql getSelf() {
+        return this;
+    }
+
+    public static String IN(String col, Collection<?> c) {
+        return IN(col, c.size());
+    }
+
+    public static <T> String IN(String col, T[] c) {
+        return IN(col, c.length);
+    }
+
+    private static String IN(String col, int length) {
+        return new StringBuilder()
+                .append(col)
+                .append(" IN (")
+                .append(buildQuestionsList(length))
+                .append(')')
+                .toString();
+    }
+
+    public static String NOT_IN(String col, Collection<?> c) {
+        return NOT_IN(col, c.size());
+    }
+
+    public static <T> String NOT_IN(String col, T[] c) {
+        return NOT_IN(col, c.length);
+    }
+
+    private static String NOT_IN(String col, int length) {
+        return new StringBuilder()
+                .append(col)
+                .append(" NOT IN (")
+                .append(buildQuestionsList(length))
+                .append(')')
+                .toString();
+    }
+
+    private static char[] buildQuestionsList(int times) {
+        char[] arr = new char[times * 3 - 2];
+        int i = 0;
+        for (int t = 1; t <= times; t++) {
+            arr[i++] = '?';
+            if (t < times) {
+                arr[i++] = ',';
+                arr[i++] = ' ';
+            }
+        }
+        return arr;
+    }
+}

src/main/java/xyz/zhouxy/plusone/commons/sql/MyBatisSql.java

@@ -0,0 +1,65 @@
+package xyz.zhouxy.plusone.commons.sql;
+
+import com.google.common.annotations.Beta;
+
+@Beta
+public class MyBatisSql extends SQL<MyBatisSql> {
+
+    private final boolean withScript;
+
+    MyBatisSql(boolean withScript) {
+        super();
+        this.withScript = withScript;
+    }
+
+    public static MyBatisSql newSql() {
+        return new MyBatisSql(false);
+    }
+
+    public static MyBatisSql newScriptSql() {
+        return new MyBatisSql(true);
+    }
+
+    @Override
+    public MyBatisSql getSelf() {
+        return this;
+    }
+
+    public static String IN(String col, String paramName) {
+        return new StringBuilder(" ")
+                .append(col)
+                .append(" IN")
+                .append(buildQuestionsList(col, paramName))
+                .toString();
+    }
+
+    public static String NOT_IN(String col, String paramName) {
+        return new StringBuilder()
+                .append(col)
+                .append(" NOT IN")
+                .append(buildQuestionsList(col, paramName))
+                .toString();
+    }
+
+    private static String buildQuestionsList(String col, String paramName) {
+        return new StringBuilder()
+                .append("<foreach item=\"")
+                .append(col)
+                .append("\" index=\"index\" collection=\"")
+                .append(paramName)
+                .append("\" open=\"(\" separator=\",\" close=\")\">")
+                .append("#{")
+                .append(col)
+                .append("}</foreach>")
+                .toString();
+    }
+
+    @Override
+    public String toString() {
+        String str = super.toString();
+        if (withScript) {
+            str = "<script>\n" + str + "\n</script>";
+        }
+        return str;
+    }
+}

src/main/java/xyz/zhouxy/plusone/commons/sql/SQL.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2022-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package xyz.zhouxy.plusone.commons.sql;
+
+import org.apache.ibatis.jdbc.AbstractSQL;
+
+import com.google.common.annotations.Beta;
+
+/**
+ * @author ZhouXY
+ */
+@Beta
+public abstract class SQL<T> extends AbstractSQL<T> {
+
+    public static JdbcSql newJdbcSql() {
+        return new JdbcSql();
+    }
+
+    public static MyBatisSql newMyBatisSql(boolean withScript) {
+        return new MyBatisSql(withScript);
+    }
+
+    public T WHERE(boolean condition, String sqlCondition) {
+        if (condition) {
+            return WHERE(sqlCondition);
+        }
+        return getSelf();
+    }
+
+    public T WHERE(boolean condition, String ifSqlCondition, String elseSqlCondition) {
+        return WHERE(condition ? ifSqlCondition : elseSqlCondition);
+    }
+}