解析公式相关的API

src/main/java/com/fanruan/api/cal/FormulaKit.java

@@ -3,6 +3,7 @@ package com.fanruan.api.cal;
 import com.fanruan.api.err.KitError;
 import com.fr.base.BaseFormula;
 import com.fr.script.Calculator;
+import com.fr.stable.FormulaProvider;
 import com.fr.stable.UtilEvalError;
 import com.fr.stable.script.CalculatorProvider;
 
@@ -38,4 +39,13 @@ public class FormulaKit {
             throw new KitError(u);
         }
     }
+
+    /**
+     * 生成公式对象
+     * @param content 公式的内容
+     * @return 公式对象
+     */
+    public static FormulaProvider createFormula(Object content) {
+        return BaseFormula.createFormulaBuilder().build(content);
+    }
 }

src/main/java/com/fanruan/api/cal/ParameterKit.java

@@ -0,0 +1,22 @@
+package com.fanruan.api.cal;
+
+import com.fr.base.ParameterHelper;
+import com.fr.stable.ParameterProvider;
+
+/**
+ * @author richie
+ * @version 10.0
+ * Created by richie on 2019-08-16
+ * 参数相关的工具类
+ */
+public class ParameterKit {
+
+    /**
+     * 分析公式中所携带的参数
+     * @param text 公式内容
+     * @return 参数数组
+     */
+    public static ParameterProvider[] analyze4ParametersFromFormula(String text) {
+        return ParameterHelper.analyze4ParametersFromFormula(text);
+    }
+}

src/test/java/com/fanruan/api/cal/ParameterKitTest.java

@@ -0,0 +1,27 @@
+package com.fanruan.api.cal;
+
+import com.fanruan.api.Prepare;
+import com.fr.stable.ParameterProvider;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.TreeMap;
+
+/**
+ * @author richie
+ * @version 10.0
+ * Created by richie on 2019-08-16
+ */
+public class ParameterKitTest extends Prepare {
+
+    @Test
+    public void analyze4ParametersFromFormula() {
+        ParameterProvider[] providers = ParameterKit.analyze4ParametersFromFormula("=sum($p1, $p2) + max($p4 - 1, pow(2, $p5))");
+        TreeMap<String, Object> map = new TreeMap<>();
+        for (ParameterProvider provider : providers) {
+            map.put(provider.getName(), provider.getValue());
+        }
+        String[] names = map.keySet().toArray(new String[0]);
+        Assert.assertArrayEquals(new String[]{"p1", "p2", "p4", "p5"}, names);
+    }
+}

src/test/java/com/fanruan/api/session/SessionKitTest.java

@@ -9,7 +9,7 @@ import org.junit.Test;
  * @version 10.0
  * Created by richie on 2019-08-09
  */
-public class SessionFactoryTest extends Prepare {
+public class SessionKitTest extends Prepare {
 
     @Test
     public void getSession() throws Exception {