base controller 增加工具方法

framework-boot/src/main/java/com/mrxu/framework/boot/web/BaseController.java

@@ -5,12 +5,15 @@ import com.mrxu.framework.boot.entity.BaseCode;
 import com.mrxu.framework.boot.entity.LayuiPage;
 import com.mrxu.framework.boot.entity.PageResult;
 import com.mrxu.framework.boot.entity.ResponseObj;
+import com.mrxu.framework.common.util.StrFunc;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
+import java.util.Date;
+import java.util.Map;
 
 public class BaseController {
 
@@ -26,8 +29,54 @@ public class BaseController {
     /**
      * 获取请求参数
      */
-    public String getParameter(String param) {
-        return getRequest().getParameter(param);
+    public String getPara(String name) {
+        String result = getRequest().getParameter(name);
+        return result != null && result.length() != 0 ? result : null;
+    }
+
+    public String getPara(String name, String defaultValue) {
+        String result = getRequest().getParameter(name);
+        return result != null && result.length() != 0 ? result : defaultValue;
+    }
+
+    public Map<String, String[]> getParaMap() {
+        return getRequest().getParameterMap();
+    }
+
+    public String[] getParaValues(String name) {
+        return getRequest().getParameterValues(name);
+    }
+
+    public Integer getParaToInt(String name) {
+        return toInt(getRequest().getParameter(name), null);
+    }
+
+    public Integer getParaToInt(String name, Integer defaultValue) {
+        return toInt(getRequest().getParameter(name), defaultValue);
+    }
+
+    public Long getParaToLong(String name) {
+        return toLong(getRequest().getParameter(name), null);
+    }
+
+    public Long getParaToLong(String name, Long defaultValue) {
+        return toLong(getRequest().getParameter(name), defaultValue);
+    }
+
+    public Boolean getParaToBoolean(String name) {
+        return toBoolean(getRequest().getParameter(name), null);
+    }
+
+    public Boolean getParaToBoolean(String name, Boolean defaultValue) {
+        return toBoolean(getRequest().getParameter(name), defaultValue);
+    }
+
+    public Date getParaToDate(String name) {
+        return toDate(getRequest().getParameter(name), null);
+    }
+
+    public Date getParaToDate(String name, Date defaultValue) {
+        return toDate(getRequest().getParameter(name), defaultValue);
     }
 
     /**
@@ -121,4 +170,54 @@ public class BaseController {
         return layuiPage;
     }
 
+    private Date toDate(String value, Date defaultValue) {
+        try {
+            if (StrFunc.isEmpty(value))
+                return defaultValue;
+            return new java.text.SimpleDateFormat("yyyy-MM-dd").parse(value.trim());
+
+        } catch (Exception e) {
+            throw new RuntimeException("Can not parse the parameter \"" + value + "\" to Date value.");
+        }
+    }
+
+    private Boolean toBoolean(String value, Boolean defaultValue) {
+        if (StrFunc.isEmpty(value))
+            return defaultValue;
+        value = value.trim().toLowerCase();
+        if ("1".equals(value) || "true".equals(value))
+            return Boolean.TRUE;
+        else if ("0".equals(value) || "false".equals(value))
+            return Boolean.FALSE;
+        throw new RuntimeException("Can not parse the parameter \"" + value + "\" to Boolean value.");
+    }
+
+    private Integer toInt(String value, Integer defaultValue) {
+        try {
+            if (StrFunc.isEmpty(value))
+                return defaultValue;
+            value = value.trim();
+            if (value.startsWith("N") || value.startsWith("n"))
+                return -Integer.parseInt(value.substring(1));
+            return Integer.parseInt(value);
+        }
+        catch (Exception e) {
+            throw new RuntimeException("Can not parse the parameter \"" + value + "\" to Integer value.");
+        }
+    }
+
+    private Long toLong(String value, Long defaultValue) {
+        try {
+            if (StrFunc.isEmpty(value))
+                return defaultValue;
+            value = value.trim();
+            if (value.startsWith("N") || value.startsWith("n"))
+                return -Long.parseLong(value.substring(1));
+            return Long.parseLong(value);
+        }
+        catch (Exception e) {
+            throw new RuntimeException("Can not parse the parameter \"" + value + "\" to Long value.");
+        }
+    }
+
 }