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分享jsp中的div标签添加横向滚动条无法实现是怎么回事
我给div标签添加了style="overflow-x: scroll; width: 100%;height: 100%"属性，页面也出现了滚动条，但是无法滚动，td标签还是会压缩，我又给每个td标签设置了固定宽度width="300px" 但是没有用，这是怎么回事，怎么实现标签不压缩，可以横向滚动。
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Go 旅城通票 2018-03-21
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设置style，不要设置width属性
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yangzheng01 2018-03-21
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<div style="overflow-x: scroll; width: 100%;height: 100%">
<table class="rstable" style="overflow-x: scroll; width: 100%;height: 100%">
<tr class="table_header" style="overflow-x: scroll; width: 100%;height: 100%">
<td id="display_name" width="300px">年/班级</td>
<td id="user_name" width="300px">用户名称</td>
<td id="student_code" width="300px">学号</td>
<td id="status" width="300px">状态</td>
<td id="registration_time" width="300px">注册时间</td>
<td id="mac" width="300px">MAC</td>
<td width="300px">操作</td>
<td width="300px">锁屏<input type="checkbox" name="devices" onclick="selectAll()"/></td>
<td width="300px">摄像头<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
<td width="300px">WiFi<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
<td width="300px">蓝牙<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
<td width="300px">相机<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
<td width="300px">相机<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
<td width="300px">相机<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
<td width="300px">相机<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
<td width="300px">相机<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
<td width="300px">相机<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
<td width="300px">相机<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
<td width="300px">相机<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
<td width="300px">相机<input type="checkbox" name="cameras" onclick="selectAllCameras()"/></td>
</tr>
<%
String sql=" from android_identification a";
if(scope_type.equals("0"))
{
sql+=" where 1=1 ";
}
else if(scope_type.equals("1")) //学校
{
sql+=" join class on a.class_id=class.id where school_id="+scope_id;
if(class_type.equals("1"))
{
sql+=" and class.grade<>0 ";
}
else if(class_type.equals("2"))
{
sql+=" and class.grade=0 ";
}
}
else
{
sql+=" where class_id="+scope_id;
}
if(!search_text.equals(""))
{
sql+=" and (a.name like '%"+search_text+"%' or a.mac like '%"+search_text+"%' or "
+" a.student_code like '%"+search_text+"%')";
}
long now=new Date().getTime()/1000;
if(i_off_line_days!=0)
{
long min_last_active_time=now-i_off_line_days*86400;
sql+=" and last_active_time<=FROM_UNIXTIME("+min_last_active_time+")";
}
else if(b_online)
{
long min_last_active_time=now-ACTIVE_TIME;
sql+=" and last_active_time>=FROM_UNIXTIME("+min_last_active_time+")";
}
sql+=" and codes<>'' ";
String count=connection.Fetch_one_field("select count(*) "+sql);
if(sort_field.equals("display_name"))
{
sql+=" order by class.grade,class.name "+sort_type;
}
else if(!sort_field.equals(""))
{
sql+=" order by "+sort_field+" "+sort_type;
}
int begin_index=i_page_number*10;
sql="select a.name,a.is_lock,a.is_camera_lock,a.student_code,UNIX_TIMESTAMP(a.last_active_time) as last_active_time,a.id,a.mac,class_id,creating_time "
+sql+" limit "+begin_index+",10";
ResultSet rs=connection.executeQuery(sql);
int index=begin_index;
//是否设置锁屏
String isAbled = "";
//是否限制相机
String cameraStatus = "";
while(rs.next())
{
index++;
long last_active_time=rs.getLong("last_active_time");
long diff=now-last_active_time;
String status="";
if(diff>90*86400)
{
status="90日未登录";
}
else if(diff>7*86400)
{
status="7日未登录";
}
else if(diff>ACTIVE_TIME)
{
status="离线";
}
else
{
status="在线";
}
int device_id = rs.getInt("id");
String isLock = rs.getString("is_lock");
if("1".equals(isLock)){
isAbled = "checked='checked'";
}else{
isAbled = "";
}
String isCameraLock = rs.getString("is_camera_lock");
if("1".equals(isCameraLock)){
cameraStatus = "checked='checked'";
}else{
cameraStatus = "";
}
ResultSet rs_class=connection.executeQuery("select * from class where id="+rs.getString("class_id"));
rs_class.next();
String display_name=CClassUtility.Build_class_display_name(rs_class);
int grade=rs_class.getInt("grade");
%>
<tr class="table_row">
<td><%=display_name %></td>
<td><%=rs.getString("name") %></td>
<td><%=rs.getString("student_code") %></td>
<td><%=status%></td>
<td><%=rs.getString("creating_time") %></td>
<td><%=rs.getString("mac") %></td>
<td><a href="Device/Device_detail.jsp?id=<%=device_id %>">详情</a>
<%
if(grade!=0)
{
%>
<a href="Device/Device_log.jsp?id=<%=device_id %>">日志</a>
<a href="javascript:Delete_device(<%=device_id %>);">删除</a>
<%
}
%>
<td>
<input type="checkbox" name="isEnabled" id=<%=device_id%> value="<%=device_id%>" <%=isAbled%> onclick="checkEnabled(this.value);"/>
</td>
<td>
<input type="checkbox" name="isCamera" id=<%=device_id+"c"%> value="<%=device_id%>" <%=cameraStatus%> onclick="checkCarmeraLock(this.id,this.value);"/>
</td>
</tr>
<%
}
%>
</table>
</div>
