ecstore 的模板使用的 smarty 语法里 &{t}&一些字&{/t}& 是什么意思？_问答_ThinkSAAS
ecstore 的模板使用的 smarty 语法里 &{t}&一些字&{/t}& 是什么意思？
ecstore 的模板使用的 smarty 语法里 &{t}&一些字&{/t}& 是什么意思？
ecstore 的模板使用的 smarty 语法里
&{t app="content"}&一些字&{/t}&
是什么意思？
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开发客服微信怎么把页面中用bootscrapt自动生成的表格里面的某个td里面的&a&元素里面的data-*属性的属性值设置成一个全局变量，并且在整个页面都可以引用。
14:01:53&&&来源：&&&评论： 点击：
或者是我把这个值做成该列表中的第一个td的值，怎么把这个td值设置成全局变量，能在页面引用的也可以。
最好是能给出代码来，，谢谢！！
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频道本月排行[架构设计] springmvc3.2requestbodyjson显示原理 | 软件世界网
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[架构设计]springmvc3.2requestbodyjson显示原理
&& 18:03:39
public interface HandlerMethodReturnValueHandler {
* Whether the given {@linkplain MethodParameter method return type} is
* supported by this handler.
* @param returnType the method return type to check
* @return {@code true} if this handler supports the
* {@code false} otherwise
boolean supportsReturnType(MethodParameter returnType);
* Handle the given return value by adding attributes to the model and
* setting a view or setting the
* {@link ModelAndViewContainer#setRequestHandled} flag to {@code true}
* to indicate the response has been handled directly.
* @param returnValue the value returned from the handler method
* @param returnType the type of the return value. This type must have
* previously been passed to
* {@link #supportsReturnType(org.springframework.core.MethodParameter)}
* and it must have returned {@code true}
* @param mavContainer the ModelAndViewContainer for the current request
* @param webRequest the current request
* @throws Exception if the return value handling results in an error
void handleReturnValue(Object returnValue,
MethodParameter returnType,
ModelAndViewContainer mavContainer,
NativeWebRequest webRequest) throws E
public class RequestResponseBodyMethodProcessor extends AbstractMessageConverterMethodProcessor {
public RequestResponseBodyMethodProcessor(List&HttpMessageConverter&?&& messageConverters) {
super(messageConverters);
public boolean supportsParameter(MethodParameter parameter) {
return parameter.hasParameterAnnotation(RequestBody.class);
public boolean supportsReturnType(MethodParameter returnType) {
return returnType.getMethodAnnotation(ResponseBody.class) !=
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
Object arg = readWithMessageConverters(webRequest, parameter, parameter.getParameterType());
Annotation[] annotations = parameter.getParameterAnnotations();
for (Annotation annot : annotations) {
if (annot.annotationType().getSimpleName().startsWith(&Valid&)) {
String name = Conventions.getVariableNameForParameter(parameter);
WebDataBinder binder = binderFactory.createBinder(webRequest, arg, name);
Object hints = AnnotationUtils.getValue(annot);
binder.validate(hints instanceof Object[] ? (Object[]) hints : new Object[] {hints});
BindingResult bindingResult = binder.getBindingResult();
if (bindingResult.hasErrors()) {
throw new MethodArgumentNotValidException(parameter, bindingResult);
public void handleReturnValue(Object returnValue, MethodParameter returnType,
ModelAndViewContainer mavContainer, NativeWebRequest webRequest)
throws IOException, HttpMediaTypeNotAcceptableException {
mavContainer.setRequestHandled(true);
if (returnValue != null) {
writeWithMessageConverters(returnValue, returnType, webRequest);
3,AbstractMessageConverterMethodProcessor
protected &T& void writeWithMessageConverters(T returnValue,
MethodParameter returnType,
NativeWebRequest webRequest)
throws IOException, HttpMediaTypeNotAcceptableException {
ServletServerHttpRequest inputMessage = createInputMessage(webRequest);
ServletServerHttpResponse outputMessage = createOutputMessage(webRequest);
writeWithMessageConverters(returnValue, returnType, inputMessage, outputMessage);
4,AbstractMessageConverterMethodProcessor
public final void write(T t, MediaType contentType, HttpOutputMessage outputMessage)
throws IOException, HttpMessageNotWritableException {
HttpHeaders headers = outputMessage.getHeaders();
if (headers.getContentType() == null) {
if (contentType == null || contentType.isWildcardType() || contentType.isWildcardSubtype()) {
contentType = getDefaultContentType(t);
if (contentType != null) {
headers.setContentType(contentType);
if (headers.getContentLength() == -1) {
Long contentLength = getContentLength(t, headers.getContentType());
if (contentLength != null) {
headers.setContentLength(contentLength);
writeInternal(t, outputMessage);
outputMessage.getBody().flush();
5,MappingJacksonHttpMessageConverter
protected void writeInternal(Object object, HttpOutputMessage outputMessage)
throws IOException, HttpMessageNotWritableException {
JsonEncoding encoding = getJsonEncoding(outputMessage.getHeaders().getContentType());
JsonGenerator jsonGenerator =
this.objectMapper.getJsonFactory().createJsonGenerator(outputMessage.getBody(), encoding);
// A workaround for JsonGenerators not applying serialization features
// /FasterXML/jackson-databind/issues/12
if (this.objectMapper.getSerializationConfig().isEnabled(SerializationConfig.Feature.INDENT_OUTPUT)) {
jsonGenerator.useDefaultPrettyPrinter();
if (this.prefixJson) {
jsonGenerator.writeRaw(&{} && &);
this.objectMapper.writeValue(jsonGenerator, object);
catch (JsonProcessingException ex) {
throw new HttpMessageNotWritableException(&Could not write JSON: & + ex.getMessage(), ex);
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