日期转换为星期

Calendar c = Calendar.getInstance();

String stringY = daTMeetingManage.dtTopicDate2Html("yyyy");

int intY = -1;

if(stringY!=null &&!"".equals(stringY)){

intY = Integer.parseInt(stringY);

}

String stringM = daTMeetingManage.dtTopicDate2Html("MM");

int intM =-1;

if(stringM!=null &&!"".equals(stringM)){

intM = Integer.parseInt(stringM);

}

String stringD = daTMeetingManage.dtTopicDate2Html("dd");

int intD = -1;

if(stringD!=null &&!"".equals(stringD)){

intD = Integer.parseInt(stringD);

}

Date date = new Date(intY-1900,intM-1, intD); // 取时间 年要减掉1900,月是从0开始故减1

c.setTime(date); //当时间set 进calendar 里面

int i = c.get(Calendar.DAY_OF_WEEK); //取星期

String week = " ";

switch(i){

case 0: week="星期日"; break;

case 1: week="星期一"; break;

case 2: week="星期二"; break;

case 3: week="星期三"; break;

case 4: week="星期四"; break;

case 5: week="星期五"; break;

case 6: week="星期六"; break;

}