\"dataType\":\"map\"
时间: 2024-01-15 21:05:09 浏览: 28
dataType参数用于指定服务器返回的数据类型。在这种情况下,dataType:"map"是无效的,因为jQuery不支持直接将响应数据解析为"map"类型。常见的dataType类型包括:"xml"、"json"、"text"等。
如果你想将服务器返回的数据解析为JavaScript对象,可以使用dataType:"json"。示例代码如下:
```javascript
$.ajax({
url: 接口地址,
type: "POST",
dataType: "json",
success: function(data) {
// 在这里处理返回的数据
console.log(data);
}
});
```
如果你想将服务器返回的数据解析为XML格式,可以使用dataType:"xml"。示例代码如下:
```javascript
$.ajax({
url: 接口地址,
type: "POST",
dataType: "xml",
success: function(data) {
// 在这里处理返回的数据
console.log(data);
}
});
```
请注意,服务器端必须正确设置响应的Content-Type头部,以便与指定的dataType匹配。例如,如果指定dataType:"xml",则服务器端应该返回Content-Type:"text/xml"或"application/xml"。
相关问题
%Matlab程序读取sst数据: close all clear all oid='sst.mnmean.nc' sst=double(ncread(oid,'sst')); nlat=double(ncread(oid,'lat')); nlon=double(ncread(oid,'lon')); mv=ncreadatt(oid,'/sst','missing_value'); sst(find(sst==mv))=NaN; [Nlt,Nlg]=meshgrid(nlat,nlon); %Plot the SST data without using the MATLAB Mapping Toolbox figure pcolor(Nlg,Nlt,sst(:,:,1));shading interp; load coast;hold on;plot(long,lat);plot(long+360,lat);hold off colorbar %Plot the SST data using the MATLAB Mapping Toolbox figure axesm('eqdcylin','maplatlimit',[-80 80],'maplonlimit',[0 360]); % Create a cylindrical equidistant map pcolorm(Nlt,Nlg,sst(:,:,1)) % pseudocolor plot "stretched" to the grid load coast % add continental outlines plotm(lat,long) colorbar % sst数据格式 % Variables: % lat % Size: 89x1 % Dimensions: lat % Datatype: single % Attributes: % units = 'degrees_north' % long_name = 'Latitude' % actual_range = [88 -88] % standard_name = 'latitude_north' % axis = 'y' % coordinate_defines = 'center' % % lon % Size: 180x1 % Dimensions: lon % Datatype: single % Attributes: % units = 'degrees_east' % long_name = 'Longitude' % actual_range = [0 358] % standard_name = 'longitude_east' % axis = 'x' % coordinate_defines = 'center' % % time % Size: 1787x1 % Dimensions: time % Datatype: double % Attributes: % units = 'days since 1800-1-1 00:00:00' % long_name = 'Time' % actual_range = [19723 74083] % delta_t = '0000-01-00 00:00:00' % avg_period = '0000-01-00 00:00:00' % prev_avg_period = '0000-00-07 00:00:00' % standard_name = 'time' % axis = 't' % % time_bnds % Size: 2x1787 % Dimensions: nbnds,time % Datatype: double % Attributes: % long_name = 'Time Boundaries' % % sst % Size: 180x89x1787 % Dimensions: lon,lat,time % Datatype: int16 % Attributes: % long_name = 'Monthly Means of Sea Surface Temperature' % valid_range = [-5 40] % actual_range = [-1.8 36.08] % units = 'degC' % add_offset = 0 % scale_factor = 0.01 % missing_value = 32767 % precision = 2 % least_significant_digit = 1 % var_desc = 'Sea Surface Temperature' % dataset = 'NOAA Extended Reconstructed SST' % level_desc = 'Surface' % statistic = 'Mean' % parent_stat = 'Mean' 解释这个代码的意思,并将其转换为python代码
这段Matlab代码的功能是读取一个名为'sst.mnmean.nc'的NetCDF文件中的数据,并进行可视化。以下是对代码的解释和相应的Python代码转换:
```python
import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.basemap import Basemap
from netCDF4 import Dataset
# 读取NetCDF文件
oid = 'sst.mnmean.nc'
dataset = Dataset(oid)
# 读取sst数据
sst = dataset.variables['sst'][:]
mv = dataset.variables['sst'].missing_value
sst[sst == mv] = np.nan
# 读取经纬度数据
nlat = dataset.variables['lat'][:]
nlon = dataset.variables['lon'][:]
# 绘制SST数据(不使用Matplotlib的Mapping Toolbox)
plt.figure()
plt.pcolormesh(nlon, nlat, sst[:,:,0], shading='interp')
plt.colorbar()
plt.contour(dataset.variables['lon'][:]+360, dataset.variables['lat'][:], dataset.variables['sst'][0,:,:], colors='k')
plt.show()
# 绘制SST数据(使用Matplotlib的Mapping Toolbox)
plt.figure()
map = Basemap(projection='cyl', llcrnrlat=-80, urcrnrlat=80, llcrnrlon=0, urcrnrlon=360)
map.pcolormesh(nlon, nlat, sst[:,:,0], latlon=True)
map.drawcoastlines()
plt.colorbar()
plt.show()
# 关闭文件
dataset.close()
```
注意:在Python中,我们使用了NumPy库来处理数组,Matplotlib进行绘图,并使用Basemap来绘制地图。此外,我们使用了netCDF4库来读取NetCDF文件的数据。请确保在运行代码之前安装了相关的Python库。
$.ajax({ type: 'delete', method: 'delete', url: '/BookShopSystem_war/deleteBookById/' + data.bookId, data: {"bookId": data.bookId}, dataType: 'json', success: function (result) { if (result.code == 0) { layer.msg(result.msg); table.reload("table") } else { layer.msg(result.msg) } } })@DeleteMapping("/deleteBookById/{bookId}") @ResponseBody public Map<String, Object> deleteBookById(@PathVariable("bookId") Integer bookId) { int deleteResult = adminService.deleteBookById(bookId); if (!(deleteResult == 1)) { System.out.println("删除失败"); } Map<String, Object> result = new HashMap<>(); result.put("code", 0); result.put("msg", "删除成功"); return result; }如果调用该接口还需要一个参数userId,那么应该如何修改
如果调用该接口需要传递userId参数,可以将该参数作为请求参数传递给后台,在Controller中使用@RequestParam注解获取该参数,例如:
前端代码:
```javascript
$.ajax({
type: 'delete',
method: 'delete',
url: '/BookShopSystem_war/deleteBookById/' + data.bookId,
data: {
"bookId": data.bookId,
"userId": userId
},
dataType: 'json',
success: function (result) {
if (result.code == 0) {
layer.msg(result.msg);
table.reload("table")
} else {
layer.msg(result.msg)
}
}
});
```
后端Controller代码:
```java
@DeleteMapping("/deleteBookById/{bookId}")
@ResponseBody
public Map<String, Object> deleteBookById(@PathVariable("bookId") Integer bookId, @RequestParam Integer userId) {
int deleteResult = adminService.deleteBookById(bookId);
if (!(deleteResult == 1)) {
System.out.println("删除失败");
}
Map<String, Object> result = new HashMap<>();
result.put("code", 0);
result.put("msg", "删除成功");
return result;
}
```
在Controller方法的参数列表中,添加@RequestParam注解,用于获取请求参数中的userId值。