搜索关键字高亮显示方法

 

一、搜索关键字高亮显示处理方法 #region 一、搜索关键字高亮显示处理方法

        方法一、完成查找关键字字体高亮显示 string serkeys(string , string)#region 方法一、完成查找关键字字体高亮显示 string serkeys(string , string)
        /**//// <summary>
        /// 完成查找关键字字体高亮显示
        /// </summary>
        /// <param name="str">字符串</param>
        /// <param name="sqlkey">字符串关键词</param>
        /// <returns>返回字符串</returns>
        public static string serkeys(string str,string sqlkey)
        ...{
            
            //sqlstr 待查找的关键字
            //str 已经查找到带有关键字的字符串
            
        
            int len=sqlkey.Length;
            int len1=str.Length;

            string onesqlstr,rproname="";
            rproname=str;
            //去掉关键字头和尾的空格，及将关键词
            sqlkey=sqlkey.Trim();
            if (sqlkey.IndexOf(" ")>0)
            ...{
                string [] kewArray=sqlkey.Split(' ');
                
                rproname=str;
                if (kewArray.Length>0)
                ...{
                    for(int i=0;i<=kewArray.Length-1;i++)
                    ...{
                        onesqlstr =kewArray[i];
                        if(onesqlstr!="" && onesqlstr!=null)
                        ...{
                            if( str.IndexOf(onesqlstr)>=0)
                                rproname = rproname.Replace(onesqlstr,"<span style='color:#ff0033'>"+onesqlstr+"</span>");
                        }
                    }
                }
                            
            }
            else
            ...{
                onesqlstr=sqlkey;
                if( str.IndexOf(onesqlstr)>=0)
                    rproname = rproname.Replace(onesqlstr,"<span style='color:#ff0033'>"+onesqlstr+"</span>");
            }
            return rproname;
        }
        #endregion

        方法二、完成查找关键字字体高亮显示，精确到每个字符#region 方法二、完成查找关键字字体高亮显示，精确到每个字符
        /**//// <summary>
        /// 完成查找关键字字体高亮显示，精确到每个字符
        /// </summary>
        /// <param name="str">字符串</param>
        /// <param name="sqlkey">字符串关键词</param>
        /// <returns>返回字符串</returns>
        public static string serkeys_char(string str,string sqlkey)
        ...{
            
            //sqlstr 待查找的关键字
            //str 已经查找到带有关键字的字符串

            int len=sqlkey.Length;
            int len1=str.Length;
            
            string onesqlstr,pproname,rproname="";
            string [] memo= new string[len1];
            
            for(int j=0;j<=len1-1;j++)
            ...{
                onesqlstr=sqlkey;
                pproname=str.Substring(j,1);
                if (onesqlstr.ToLower().IndexOf(pproname.ToLower())>=0)
                ...{
                    memo[j]="<span style='color:#ff0033'>"+pproname+"</span>";
                }
                else
                ...{
                    memo[j]=pproname;
                }        
            }
            for(int i=0;i<=memo.Length-1;i++)
            ...{
                rproname+=memo[i];
            }
            return rproname;
            
        }
        #endregion