JSON序列化替java对象
JSON序列化为java对象
一. 前台（JS 面向对象）
1. 定义SearchView对象
function SearchView() {
}
SearchView.prototype.setViewName = function (viewName) {
this.viewName = viewName;
}
SearchView.prototype.setViewType = function(viewType) {
this.viewType = viewType;
}
SearchView.prototype.conditionList = new Array();//******conditionlist是一个对象数组，注意它的用法
SearchView.prototype.setCriteria = function (criteria) {
this.criteria = criteria;//******creteria
也是对象，具体更searchview对象定义类似，注意它的用法
}
SearchView.prototype.setTenant = function(tenant) {
this.tenant = tenant;
}
2. 把值设进SearchView对象中
var searchView = new SearchView();
searchView.setViewName(viewName);
searchView.setViewType(viewType);
searchView.setCriteria(criteria);
searchView.setTenant(tenant);
searchView.conditionList = conditionList;
3. 关于conditionList对象数组定义并设进SearchView对象中：
var conditionList = new Array();
$.each(conditionList, function (index, condition) {
condition.fieldName = fieldName ;
condition.operatorTxt = operatorTxt ;
condition.fieldInfoTxt = fieldInfoTxt ;
condition.conditionValue =$.trim(condition.conditionValue);
});
searchView.conditionList = conditionList;
4. ajax 提交表单到后台,注意红色部分，这是需要JSON序列化string之后提交到后台然后解析为java bean
$.ajax({
url:home + 'UserSearchViewAction.do?operation=update',
type:'POST',
dataType:'json',
data:{
'searchView':JSON.stringify(searchView)//*********注意，需要序列化对象后提交到后台
},
success:function (data) {
}
});
二、后台
1.定义相应的bean对象
searchView.java
String viewName;
String viewType;
List<Condition> conditionList;
String tenant;
Criteria criteria;
Condition.java
private String conditionValue; private String fieldName;// field name
private String operatorTxt; //operator value
private String fieldInfoTxt;//field value
Criteria.java
int viewId;
String logicType;
String advanceFilter;
int criteriaType;
2.处理传过来的json对象并转换为javabean
// parse jsonString to SearchView Object
String searchViewJSON = request.getParameter("searchView");
ObjectMapper objectMapper = new ObjectMapper();
SearchView searchView = objectMapper.readValue(searchViewJSON, SearchView.class);
OK 到目前位置，json转换为javabean的例子就做完了，最后展示下json对象实例
{
"viewName": "t1",
"viewType": "Dynamic",
"criteria": {
"logicType": "AND",
"advanceFilter": "1"
},
"tenant": "DarlenSC",
"conditionList": [
{
"fieldName": "Active",
"operatorTxt": "Is not empty",
"fieldInfoTxt": "",
"fieldId": "8",
"conditionValue": "",
"operation": "ISNOTNULL",
"conditionOrder": 1
}
]
}