舆情热度计算
舆情热度计算涉及文章发布时间、当前时间、评论量、点赞量以及转发量，通过计算获得两个时间相差的秒数取log，在对评论量、点赞量以及转发量乘以一定权重，可以根据需要适当改变，需要注意的是，对评论量、点赞量以及转发量需要进行处理。
package com.liip.yqjc.action; import java.text.SimpleDateFormat; import java.util.Date; import com.vividsolutions.jts.io.ParseException; /** * 文件名：scoreAction * 创建者： 马九顺 * 创建时间：2022/10/27 17：21 * 描述：计算score */ public class scoreAction {//score//计算两个时间相差的秒数public static long getTime(String endTime) throws ParseException, java.text.ParseException {SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");long eTime = 0;long sTime = 0;long diff = 0;Date now = new Date();String datenow = df.format(now);if(datenow.length() == 10){StringBuilder stringBuilder=new StringBuilder(datenow);stringBuilder.append(" 00:00:00");}else{sTime = df.parse(datenow).getTime();}if(endTime.length() == 10){StringBuilder stringBuilder=new StringBuilder(endTime);stringBuilder.append(" 00:00:00");}else{eTime = df.parse(endTime).getTime();}diff = ((eTime - sTime) / 1000) + 2626560;return diff;}public String yqrdAction(String fbsj, String pll,String dzl, String zfl) throws ParseException, java.text.ParseException {//保留一个小数点//String strM = String.format("%.1f",M);//String strR = String.format("%.1f",R);//String strD = String.format("%.1f",D);double m = 0;double r = 0;double d = 0;double t = 0;double z = 0;double s = 0;double s1 = 0;String str1;String score;//将字符串转换为数字if("".equals(pll) || "null".equals(pll) || "评论".equals(pll)){m = Double.parseDouble("0");}else{if(pll.substring(pll.length()-1).equals("万")||pll.substring(pll.length()-1).equals("w")){pll = pll.substring(0, pll.length() - 1);m = Double.parseDouble(pll)*10000;}else{m = Double.parseDouble(pll);}}if("".equals(dzl) || "null".equals(dzl)){r = Double.parseDouble("0");}else{if(dzl.substring(dzl.length()-1).equals("万")||dzl.substring(dzl.length()-1).equals("w")){dzl = dzl.substring(0, dzl.length() - 1);r = Double.parseDouble(dzl)*10000;}else{r = Double.parseDouble(dzl);}}if("".equals(zfl) || "null".equals(zfl)){d = Double.parseDouble("0");}else{if(zfl.substring(zfl.length()-1).equals("万")||zfl.substring(zfl.length()-1).equals("w")){zfl = zfl.substring(0, zfl.length() - 1);d = Double.parseDouble(zfl)*10000;}else{d = Double.parseDouble(zfl);}}//调用getTime函数计算时间差t = getTime(fbsj);if(t<0){t = 0;}z = m*3 + r*1 + d*0.8;if(z == 0){s = Math.log10(z+1.00000001) + t/45000;}else{s = Math.log10(z) + t/45000;}if(Double.isNaN(s)){score = "0.0";}else{str1 = String.format("%.1f",s);score = str1;}return score;} }
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