init

src/main/java/com/senmesh/tkmybatis/pojo/Page.java

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+package com.senmesh.tkmybatis.pojo;
+
+import com.senmesh.common.dto.IPage;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 分页
+ *
+ * @author guhong
+ * @date 2019/8/19
+ */
+@Data
+@AllArgsConstructor
+@Builder
+public class Page<T> implements Serializable, IPage<T> {
+
+  /**  **/
+  private static final long serialVersionUID = -729078966440672920L;
+  
+  /** 第几页 **/
+  private int pageNo;
+  /** 页宽 **/
+  private int pageSize;
+  /** 一共的页数 **/
+  private int pageCount;
+  /** 记录条数 **/
+  private int totalCount;
+  /** 查询出来的对象实体 **/
+  private List<T> entityList;
+
+  public Page() {
+    pageSize = 20;
+    pageNo = 1;
+  }
+
+  public Page(int pageNo, int pageSize) {
+    super();
+    this.pageNo = pageNo < 1 ? 1 : pageNo;
+    this.pageSize = pageSize < 1 ? 20 : pageSize;
+  }
+
+  public void setTotalCount(int totalCount) {
+    pageCount = (int) Math.ceil((double) totalCount / pageSize);
+    this.totalCount = totalCount;
+  }
+
+  public int getFirstEntityIndex() {
+    return (pageNo - 1) * pageSize;
+  }
+
+  @Override
+  public Integer getPageNo() {
+    return pageNo;
+  }
+
+  @Override
+  public Integer getPageSize() {
+    return pageSize;
+  }
+
+  @Override
+  public void setPageResult(int totalCount, List<T> results) {
+    this.entityList = results;
+    this.setTotalCount(totalCount);
+  }
+
+
+  @Override
+  public Boolean getNeedPage() {
+    return true;
+  }
+
+}