Fix#2443：修复int读取带小数点整数错误的问题

src/main/java/com/alibaba/excel/util/NumberUtils.java

@@ -95,14 +95,27 @@ public static Long parseLong(String string, ExcelContentProperty contentProperty
     }
 
     /**
-     * parse
+     * parse Integer from string
      *
-     * @param string
-     * @param contentProperty
-     * @return
+     * @param string An integer read in string format
+     * @param contentProperty Properties of the content read in
+     * @return An integer converted from a string
      */
     public static Integer parseInteger(String string, ExcelContentProperty contentProperty) throws ParseException {
         if (!hasFormat(contentProperty)) {
+            // CS304 Issue link: https://github.com/alibaba/easyexcel/issues/2443
+            int stringLength = string.length();
+            if(stringLength>0){
+                int pointer = stringLength;
+                for(int i=0;i<stringLength;i++){
+                    if(string.charAt(i)=='.'){
+                        pointer = i;
+                        break;
+                    }
+                }
+                string = string.substring(0,pointer);
+            }
+
             return Integer.valueOf(string);
         }
         return parse(string, contentProperty).intValue();

src/test/java/com/alibaba/easyexcel/test/temp/issue2443/Issue2443.java

@@ -0,0 +1,15 @@
+package com.alibaba.easyexcel.test.temp.issue2443;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.Date;
+
+@Getter
+@Setter
+@EqualsAndHashCode
+public class Issue2443 {
+    private int a;
+    private int b;
+}

src/test/java/com/alibaba/easyexcel/test/temp/issue2443/Issue2443Test.java

@@ -0,0 +1,56 @@
+package com.alibaba.easyexcel.test.temp.issue2443;
+
+import com.alibaba.easyexcel.test.util.TestFileUtil;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import com.alibaba.excel.util.NumberUtils;
+import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.read.listener.PageReadListener;
+import com.alibaba.fastjson.JSON;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.Ignore;
+import org.junit.Test;
+import static org.junit.Assert.*;
+import java.io.File;
+import java.text.ParseException;
+
+@Ignore
+@Slf4j
+public class Issue2443Test {
+    //CS304 (manually written) Issue link: https://github.com/alibaba/easyexcel/issues/2443
+    @Test
+    public void IssueTest1() {
+        String fileName = TestFileUtil.getPath() + "temp/issue2443" + File.separator + "date1.xlsx";
+        EasyExcel.read(fileName, Issue2443.class, new PageReadListener<Issue2443>(dataList -> {
+            for (Issue2443 issueData : dataList) {
+                log.info("读取到一条数据{}", JSON.toJSONString(issueData));
+            }
+        })).sheet().doRead();
+    }
+    //CS304 (manually written) Issue link: https://github.com/alibaba/easyexcel/issues/2443
+    @Test
+    public void IssueTest2() {
+        String fileName = TestFileUtil.getPath() + "temp/issue2443" + File.separator + "date2.xlsx";
+        EasyExcel.read(fileName, Issue2443.class, new PageReadListener<Issue2443>(dataList -> {
+            for (Issue2443 issueData : dataList) {
+                log.info("读取到一条数据{}", JSON.toJSONString(issueData));
+            }
+        })).sheet().doRead();
+    }
+
+    @Test
+    public void parseIntegerTest1() throws ParseException {
+        String string = "1.00";
+        ExcelContentProperty contentProperty = null;
+        int Int = NumberUtils.parseInteger(string,contentProperty);
+        assertEquals(1, Int);
+    }
+
+    @Test
+    public void parseIntegerTest2() throws ParseException {
+        String string = "2.00";
+        ExcelContentProperty contentProperty = null;
+        int Int = NumberUtils.parseInteger(string,contentProperty);
+        assertEquals(2, Int);
+    }
+
+}