計算文章字數

 

package taotao.montao.demo.util;

/**
 * 獲取文章的字數或則字符數
 * @author montao
 */
public class StatWordCount {

    private final char[] CHS = {',','；','!','.','!','?',';','+','，','？','！','/'};  //符號數組

    private final char[] CHN = {'\r','\n'}; //轉義符數組

    private final char[] SPACE = {' ','　'}; //空格的數組(前半角，後全角)

    /**
     * 根據指定條件來篩選文章的字數
     * @param wordContent  文章內容
     * @param compriseInterpunction  是否包含指定字符
     * @param compriseSpace  是否包含空格
     * @return 返回文章經過指定篩選後的長度
     */
    public int getWordCount(String wordContent,boolean compriseInterpunction,boolean compriseSpace)
    {
        if(wordContent==null){
            return 0;
        }else if(wordContent.length()==0){
            return 0;
        }else{
            //既要包含符號又要包含空格
            if(compriseInterpunction && compriseSpace){
                //清除轉義符
                String regex = "["+new String(CHN)+"]";
                wordContent = wordContent.replaceAll(regex," ");
                return this.getWordCount(wordContent);
            }
            //不包含符號包含空格
            else if(!compriseInterpunction && compriseSpace){
                //使用正則表達式去掉指定的符號和轉義符
                String regex1 = "["+new String(CHN)+"]";
                String regex2 = "["+new String(CHS)+"]";
                wordContent = wordContent.replaceAll(regex1," ");
                wordContent = wordContent.replaceAll(regex2," ");
                return this.getWordCount(wordContent);
            }
            //包含指定符號不包含空格
            else if(compriseInterpunction && !compriseSpace){
                //使用正則表達式去掉空格和轉義符
                String regex1 = "["+new String(CHN)+"]";
                String regex2 = "["+new String(SPACE)+"]";
                wordContent = wordContent.replaceAll(regex1," ");
                wordContent = wordContent.replaceAll(regex2," ");
                return this.getWordCount(wordContent);
            }
            //空格和指定符號都不包含
            else{
                //使用正則表達式去掉空格,指定符號和轉義符
                String regex1 = "["+new String(CHN)+"]";
                String regex3 = "["+new String(CHS)+"]";
                String regex2 = "["+new String(SPACE)+"]";
                wordContent = wordContent.replaceAll(regex1," ");
                wordContent = wordContent.replaceAll(regex2," ");
                wordContent = wordContent.replaceAll(regex3," ");
                return this.getWordCount(wordContent);
            }
        }
    }

    /**
     * 返回文章中的字數
     * @param wordCount 文章內容
     * @return
     */
    @SuppressWarnings("unused")
    private int getWordCount(String wordContent){
        int count = 0;
        if(wordContent==null){ //判斷是否爲null,如果爲null直接返回0
            count = 0;
        }else if(wordContent.length()==0){ //判斷是否爲空,如果爲空直接返回0
            count = 0;
        }else{ //判斷獲取字數
            wordContent = wordContent.trim(); //清空空格
            //臨時變量
            String s4 = "";
            String s3 = "";
            String s2 = "";
            String s1 = "";
            boolean bb = false;
            if(wordContent.length()>0){
                s4 = String.valueOf(wordContent.charAt(wordContent.length()-1));
            }
            for(int i=0;i<wordContent.length();i++){
                s3 = String.valueOf(wordContent.charAt(i));
                int num = s3.getBytes().length;
                if(s3.hashCode()==32||s3.getBytes().length==2){
                    bb=true;
                }if(num==2){
                    count++;
                }else{
                        if(i+1<wordContent.length()){
                            s1 = String.valueOf(wordContent.charAt(i+1));
                            if((s1.hashCode()==32 && (s3.hashCode()!=32)) || ((s1.getBytes().length==2)&& (s3.hashCode()!=32))){
                                count++;
                            }
                        }
                }
            }
            if(!bb){
                count++;
            }else{
                if(s4.getBytes().length==1){
                    count++;
                }
            }
        }
        return count;
    }

    /**
     * 根據條件來獲取文章的字符數
     * @param wordContent 文章內容
     * @param compriseInterpunction 是否包含指定符號
     * @param compriseSpace 是否包含空格
     * @return 返回字符長度
     */
    public int getWordCharacter(String wordContent,boolean compriseInterpunction,boolean compriseSpace)
    {
        //既要包含符號又要包含空格
        if(compriseInterpunction && compriseSpace){
            //清除轉義符
            String regex = "["+new String(CHN)+"]";
            wordContent = wordContent.replaceAll(regex,"");
            //首部的空格不算
            wordContent = wordContent.replaceAll("^\\s+","");
            return wordContent.length();
        }//不包含符號包含空格
        else if(!compriseInterpunction && compriseSpace){
            //首部的空格不算
            wordContent = wordContent.replaceAll("^\\s+","");
            //使用正則表達式去掉指定的符號和轉義符
            String regex1 = "["+new String(CHN)+"]";
            String regex2 = "["+new String(CHS)+"]";
            wordContent = wordContent.replaceAll(regex1,"");
            wordContent = wordContent.replaceAll(regex2,"");
            return wordContent.length();
        }//包含指定符號不包含空格
        else if(compriseInterpunction && !compriseSpace){
            //使用正則表達式去掉空格和轉義符
            String regex = "["+new String(SPACE)+"]";
            wordContent = wordContent.replaceAll(regex," ");
            return this.getNoSpaceCount(wordContent);
        }//空格和指定符號都不包含
        else{
            //使用正則表達式去掉指定符號
            String regex1 = "["+new String(CHS)+"]";
            String regex2 = "["+new String(SPACE)+"]";
            wordContent = wordContent.replaceAll(regex1," ");
            wordContent = wordContent.replaceAll(regex2," ");
            return this.getNoSpaceCount(wordContent);
        }
    }

    /**
     * 獲取文章中非空格的字符總數
     * @param wordContent 文章內容
     * @return
     */
    private int getNoSpaceCount(String wordContent) {
        int spaceCount = 0;
        if(wordContent==null)
        {
            spaceCount = 0;
        }else if(wordContent.length()==0)
        {
            spaceCount = 0;
        }else
        {
            //替換首部的
            wordContent = wordContent.replaceAll("^\\s+","");
            wordContent = wordContent.replaceAll(" ","");
            //使用正則替換轉義符
            String regex = "["+new String(CHN)+"]";
            wordContent = wordContent.replaceAll(regex,"");
            spaceCount = wordContent.length();
        }
        return spaceCount;
    }
}