详解Java读取本地文件并显示在JSP文件中

<img name="person.personImg" id="personImg" alt="头像照片" src="${person.personImg}" style="width:160px;height:160px;border:1px solid" /> 
<button id="btnImg" class="btn btn-primary" type="button" title="上传图片" onclick="uploadPersonPic()">上传图片</button> 
 
<script> 
  $(function() { 
    //读取头像照片 
    if($("#oid").val()!=="") 
    { 
      $("#personImg").attr("src","favccxx/person/loadUserPhoto?externalPerson.oid="+$("#oid").val()+"&Time="+(new Date().getTime())); 
      $("#personImg").css("display",""); 
      $("#btnImg").css("display",""); 
    }else{ 
      $("#personImg").css("display","none"); 
      $("#btnImg").css("display","none");      
    } 
  } 
</script> 

@Action(value = "loadUserPhoto", results = { @Result(name = "success", type = "stream", params = { 
      "contentType", "image/jpeg", "inputName", "imageStream" }) }) 
  public String getImage() { 
    if (person.getOid() != null) { 
      // 设置图片 
      try { 
        Person person = personService.findOne("oid", externalPerson.getOid()); 
        FileInputStream is = new FileInputStream(person.getPersonImg()); 
        imageStream = new BufferedInputStream(new FileInputStream(person.getPersonImg())); 
      } catch (Exception e) { 
      } 
    } 
    return SUCCESS; 
  }