List blackList = blackService.getBlackInfoList(mobileNum, gatewayid, startDate, endDate);
int totalRows = blackList.size();
StringBuffer sb = new StringBuffer();
         sb.append("{\"totalCount\":\""+totalRows+"\",");
         sb.append("\"jsonRoot\":[");
         for (int i=0;i<blackList.size();i++) {
             LBlack blackInfo = (LBlack)blackList.get(i);
             sb.append("{\"id\":\""+ blackInfo.getId());
             sb.append("\",");  
             sb.append("\"mobile\":\""+ blackInfo.getMobile());
             sb.append("\",");  
             sb.append("\"province\":\""+ blackInfo.getProvince());
             sb.append("\",");  
             sb.append("\"gateway\":\""+ blackInfo.getGateway());
             sb.append("\",");
             sb.append("\"insertTime\":\""+ blackInfo.getInsertTime());
             sb.append("\",");
             sb.append("\"remark\":\""+ blackInfo.getRemark());
             sb.append("\"");
             sb.append("},");
         }
         sb.deleteCharAt(sb.lastIndexOf(","));  // 删去最后一个逗号
         sb.append("]}");  
         
         HttpServletResponse response = ServletActionContext.getResponse();         
         response.setContentType("text/plain");
         response.getWriter().print(sb);

<action name="blackList" class="blackAction" method="blackList">
    <!--plaintext用于显示页面原始代码的结果类型-->
    <result type="plainText">
    <param name="charSet">UTF-8</param>
    <param name="location">/WEB-INF/jsp/manage/black.jsp</param>
    </result>
</action>

function getJSONData(pn) {
    // alert(pn);
    $.getJSON("blackList.ce", function(data) {
        var totalCount = data.totalCount; // 总记录数
        var pageSize = 10; // 每页显示几条记录
        var pageTotal = Math.ceil(totalCount / pageSize); // 总页数
        var startPage = pageSize * (pn - 1);
        var endPage = startPage + pageSize - 1;
        var $ul = $("#json-list");
        $ul.empty();
        for (var i = 0; i < pageSize; i++) {
            $ul.append(‘<li class="li-tag"></li>‘);
        }
        var dataRoot = data.jsonRoot;
        if (pageTotal == 1) {     // 当只有一页时
            for (var j = 0; j < totalCount; j++) {
                $(".li-tag").eq(j).append("<span class=‘col1‘><input type=‘checkbox‘ value=‘"+parseInt(j + 1)+"‘/></span>")
                .append("<span class=‘col2‘>" + parseInt(j + 1)
                        + "</span>").append("<span class=‘col3‘>" + dataRoot[j].mobile
                        + "</span>").append("<span class=‘col4‘>" + dataRoot[j].province
                        + "</span>").append("<span class=‘col5‘>" + dataRoot[j].gateway
                        + "</span>").append("<span class=‘col6‘>" + dataRoot[j].insertTime
                        + "</span>").append("<span class=‘col7‘>" + dataRoot[j].remark
                        + "</span>")
            }
        } else {
            for (var j = startPage, k = 0; j < endPage, k < pageSize; j++, k++) {
                if( j == totalCount){
                    break;       // 当遍历到最后一条记录时，跳出循环
                }
                $(".li-tag").eq(k).append("<span class=‘col1‘><input type=‘checkbox‘ value=‘"+parseInt(j + 1)+"‘/></span>")
                .append("<span class=‘col2‘>" + parseInt(j + 1)
                        + "</span>").append("<span class=‘col3‘>" + dataRoot[j].mobile
                        + "</span>").append("<span class=‘col4‘>" + dataRoot[j].province
                        + "</span>").append("<span class=‘col5‘>" + dataRoot[j].gateway
                        + "</span>").append("<span class=‘col6‘>" + dataRoot[j].insertTime
                        + "</span>").append("<span class=‘col7‘>" + dataRoot[j].remark
                        + "</span>")
            }
        }
        $(".page-count").text(pageTotal);
    })
}
function getPage() {
    $.getJSON("blackList.ce", function(data) {
                pn = 1;
                var totalCount = data.totalCount; // 总记录数
                var pageSize = 10; // 每页显示几条记录
                var pageTotal = Math.ceil(totalCount / pageSize); // 总页数
                $("#next").click(function() {
                            if (pn == pageTotal) {
                                alert("后面没有了");
                                pn = pageTotal;
                            } else {
                                pn++;
                                gotoPage(pn);

                            }
                        });
                $("#prev").click(function() {
                            if (pn == 1) {
                                alert("前面没有了");
                                pn = 1;
                            } else {
                                pn--;

                                gotoPage(pn);
                            }
                        })
                $("#firstPage").click(function() {
                            pn = 1;
                            gotoPage(pn);
                        });
                $("#lastPage").click(function() {
                            pn = pageTotal;
                            gotoPage(pn);
                        });
                $("#page-jump").click(function(){
                    if($(".page-num").val()  <= pageTotal && $(".page-num").val() != ‘‘){
                        pn = $(".page-num").val();
                        gotoPage(pn);
                    }else{
                        alert("您输入的页码有误！");
                        $(".page-num").val(‘‘).focus();
                    }
                })
                $("#firstPage").trigger("click");
                
            })
}
function gotoPage(pn) {
    // alert(pn);
    $(".current-page").text(pn);
    getJSONData(pn)
}

$(function() {
    getPage();
})