sharding分片规则修改

src/main/java/com/sqx/sharding/StandardShardingStrategyConf.java

@@ -0,0 +1,19 @@
+package com.sqx.sharding;
+
+import org.apache.shardingsphere.api.sharding.standard.PreciseShardingAlgorithm;
+import org.apache.shardingsphere.api.sharding.standard.PreciseShardingValue;
+import java.util.Collection;
+
+public class StandardShardingStrategyConf implements PreciseShardingAlgorithm<Long> {
+    @Override
+    public String doSharding(Collection<String> availableTargetNames, PreciseShardingValue<Long> shardingValue) {
+        // 根据ID对5取模来确定表名
+        long tableIndex = shardingValue.getValue() % 5;
+        for (String tableName : availableTargetNames) {
+            if (tableName.endsWith(String.valueOf(tableIndex))) {
+                return tableName;
+            }
+        }
+        throw new IllegalArgumentException();
+    }
+}