实习小白笔记一(鼠标悬停、获取多选、提交修改、layer页面、单元格文字长度、json、分页、左连接)

$(this).datagrid(‘doCellTip‘,{‘max-width‘:‘600px‘,‘delay‘:300});

 1 var swa = new Array();
 2 $("input[name=‘mainten.softwareReason‘]:checked").each(function(){
 3     swa.push($(this).val());
 4 });
 5 var softwareReason = swa.join(‘ ‘);
 6 
 7 $.ajax({
 8     type: "post",
 9     url: "json/FaultMainten_update.action",
10     data: {
11         id: $("#id").val(),
12         maintainerTel: $("#maintainerTel").val(),
13         softwareReason softwareReason,
14         repairData: $("#repairData").combobox("getValue"),
15     },
16     success: function(data){
17         var result = JSON.parse(data)
18     }
19 });

function newsUpdate() {
    $(‘#updateFaultMainten‘).form(‘submit‘, {
        url : "json/FaultMainten_update.action",
        onSubmit : function() {
        return $("#updateFaultMainten").form(‘validate‘);
    },
    success : function(data) {
        parent.layer.msg(‘修改成功‘);
        parent.$("#MsgListDiv").datagrid("reload");
        closeLayer();
    }
    });
}

function addFM() {
    var row = $("#MsgListDiv").datagrid("getSelected");
    if (row) {
        var pid = row.pid;
        var pname = row.pname;
        layer.open({
        type : 2,
        title : ‘添加故障维护信息‘,
        shadeClose : false,
        shade : 0.3,
        shift : 5,
        maxmin : true,
        area : [ ‘980px‘, ‘450px‘ ],
        content : ‘admin/FaultMainten/FaultMainten_add.jsp?pid=‘ + 

pid + ‘&pname=‘ + encodeURIComponent(pname)
    });
    layer.full(index);
    }else{
       $.messager.alert("警告", "请选中一条记录", "warning");
    }
}

$("#mytable2 tr td").each(function(i){
    if($(this).text().length>15){
        $(this).attr("title",$(this).text());
        var text = $(this).text().substring(0,14)+‘...‘;
        $(this).text(text);
    }
});

Ⅰ定义json：Map<String,Object> json=new HashMap<String,Object>();
Ⅱ定义需要传递的参数：
HashMap<String,Object> params=new HashMap<String,Object>();
Ⅲ将params参数传递给service层，查询到list(假设)放入json中:
json.put("rows",list);json中rows为系统定义放置行数据的键名
json.put("total",total);json中total为系统定义放置行分页计数的键名

//Ⅰ不分页查询
public List<PointFault> query(Map<String, Object> map){
    SqlSessionTemplate sqlSession = new SqlSessionTemplate        

(sqlSessionFactory);
    List<PointFault> list = sqlSession.selectList        

("com.shibo.trace.dao.PointFaultDao.query",map);
    return list;
}

/**
     * 不分页查询（上面调用的ssqlSession.selectList()）
     * @param queryid
     * @param params
     * @return
     */
    public List selectList(String queryid,Map<String, Object> params){
        return session.selectList(queryid, params);
    }

//Ⅱ分页查询
public List<PointFault> query(Map<String, Object> map,int page,int rows){
    SqlSessionTemplate sqlSession = new SqlSessionTemplate        

(sqlSessionFactory);
    pageDaoUtil.setSession(sqlSession);
    List<PointFault> temp=pageDaoUtil.selectList

("com.shibo.trace.dao.PointFaultDao.query", map,new RowBounds((page-1)

*rows,rows));
    return temp;
    }

        /**
     * 分页查询（上面调用的pageDaoUtil.selectList()）
     * @param queryid  查询的id,
     * @param params 参数
     * @param bounds 分页数据 如：new RowBounds((start-1)*Conv.pageSize, 

limit)
     * @return list
     */
    public List selectList(String queryid,Map<String, Object> 

params,RowBounds bounds){
        return session.selectList(queryid, params,bounds);
    }    

1 select pf.*,sm.bodystyle from POFA pf left join DEPO dp on pf.pid=dp.pid
2  left join SHMA sm on sm.smid=dp.smid left join PUB p on pf.region=p.admincode
3  where sm.pid=‘11111‘