【项目笔记】完成一个基于SSM框架的增删改查的模块后总结的问题

<  src=\"https://code.jquery.com/jquery-3.1.1.min.js\"></ >

$.ajax({
    url:selectUrl,
    type:\'POST\',
    data:dataMap, //而不是JSON.stringify(dataMap)
    contentType: \"application/x-www-form-urlencoded\", //而不是\"application/json\"
    success: function(data) {
        if(data.success) {
            alert(\'提交成功！\');
        } else {
            alert(\'提交失败！\' + data.errMsg);
        }
    }
}); 

contentType: \"application/x-www-form-urlencoded; charset=utf-8\"，

//获取html
var addHtml = \'\';
$.when(getList1(), getList2()).done(function() {
    addHtml= \'<div class=\"item\">\' + $(\'.item\').html() + \'</div>\';
});

//更新属性1
function getList1() {
    var initUrl = \'/getattr1\';
    return getAttrList(initUrl, \'attr1\');
}

//更新属性2
function getList2() {
    var initUrl = \'/getattr2\';
    return getAttrList(initUrl, \'attr2\');
}

function getAttrList(url, idname) {
    return $.getJSON(url, function(data) {
                  if(data.success) {
                      var tempHtml = \'\';
                      data.info.map(function(attr, index) {
                          tempHtml += \'<option class=\"text-style\" value=\"\' + attr.attrid+ \'\">\' + attr.attrval+ \'</option>\';
                      });
                      $(\'#\' + idname).html(tempHtml);
                  } else {
              　　　　 $.toast(data.errMsg);
                  }
              });
}

public class AllAttrs {
    private Attr1 attr1;
    private List<Attr2> attr2list;
    private List<Attr3> attr3list;

    //get/set方法略
}

public class AttrController {
    @RequestMapping(value = \"updateattr\", method = RequestMethod.POST)
    @ResponseBody
    private Map<String,  > updateAttr(@RequestBody AllAttrs allAttrs) {
        Map<String,  > modelMap = new HashMap<>();
        //处理代码略
        return modelMap;
    }
}