質問編集履歴
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```
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### 問題
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Spring側でうまく受け取れず、困っています。よろしくお願いします。
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org.apache.tomcat.util.http.fileupload.FileUploadException: the request was rejected because no multipart boundary was found
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よろしくお願いします。
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@@ -2,6 +2,236 @@
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3
3
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Vue.jsからCSVを読み込み、SpringBoot側で受け取りたいです。
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4
4
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5
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```Vue
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<template>
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<b-card
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header="外部ファイルの読み込み"
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>
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<v-list two-line subheader dense>
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<v-subheader>外部ファイルを読み込む</v-subheader>
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<v-list-item>
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<v-list-item-content>
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<v-list-item-title>
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<v-file-input
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label="File input"
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v-model="file"
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name=file
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placeholder="読み込みたいファイル"
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></v-file-input>
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</v-list-item-title>
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</v-list-item-content>
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<v-list-item-action-text class="pl-4">
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<b-button
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variant="outline-success"
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:disabled="file === ''"
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size="sm"
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@click="uploadFile()"
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>ファイルを読み込む
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</b-button>
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</v-list-item-action-text>
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</v-list-item>
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<v-divider></v-divider>
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</v-list>
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</b-card>
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</template>
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68
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<script>
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export default {
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data() {
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75
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return {
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76
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file: "",
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};
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},
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methods: {
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84
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uploadFile() {
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86
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this.$axios.post('/user/impoertUser', this.file, {
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headers: { 'Content-Type': 'multipart/form-data' }
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}).then((res) => {
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console.log(res.data)
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})
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96
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}
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}
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};
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</script>
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```
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+
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```Java
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package com.example.controller;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.Reader;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.multipart.MultipartFile;
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import com.example.form.RegisterUserForm;
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import com.example.service.RegisterUserService;
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@RestController
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149
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@RequestMapping("/user")
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public class ImportCSVController {
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154
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155
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@Autowired
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private RegisterUserService registerUserService;
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159
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160
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@RequestMapping(value = "/importUser", headers = "Content-Type= multipart/form-data", method = RequestMethod.POST)
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public void importUser(@RequestParam("file") MultipartFile uploadFile) {
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System.err.println(uploadFile);
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String line = null;
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174
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try {
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InputStream stream = uploadFile.getInputStream();
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Reader reader = new InputStreamReader(stream);
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BufferedReader buf= new BufferedReader(reader);
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183
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184
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185
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line = buf.readLine();
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|
186
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187
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+
while((line = buf.readLine()) != null) {
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188
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+
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189
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+
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190
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+
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191
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+
String[] data = line.split(",", 0);
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+
|
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193
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+
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194
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195
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+
RegisterUserForm form = new RegisterUserForm();
|
|
196
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+
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197
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+
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198
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+
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199
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+
form.setUserName(data[0]);
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|
200
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+
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|
201
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+
form.setMailAddress(data[1]);
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|
202
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+
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203
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+
form.setPassword(data[2]);
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204
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205
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+
registerUserService.registerUser(form);
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|
206
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207
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+
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208
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+
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209
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+
}
|
|
210
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+
|
|
211
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+
|
|
212
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+
|
|
213
|
+
} catch (IOException e) {
|
|
214
|
+
|
|
215
|
+
|
|
216
|
+
|
|
217
|
+
line = "Can't read contents.";
|
|
218
|
+
|
|
219
|
+
e.printStackTrace();
|
|
220
|
+
|
|
221
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+
|
|
222
|
+
|
|
223
|
+
}
|
|
224
|
+
|
|
225
|
+
|
|
226
|
+
|
|
227
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+
}
|
|
228
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+
|
|
229
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+
}
|
|
230
|
+
|
|
231
|
+
|
|
232
|
+
|
|
233
|
+
```
|
|
234
|
+
|
|
5
235
|
### 問題
|
|
6
236
|
|
|
7
237
|
ファイルをアップロードすると以下のようなエラーが出ます。
|
|
@@ -9,235 +239,3 @@
|
|
|
9
239
|
org.apache.tomcat.util.http.fileupload.FileUploadException: the request was rejected because no multipart boundary was found
|
|
10
240
|
|
|
11
241
|
よろしくお願いします。
|
|
12
|
-
|
|
13
|
-
|
|
14
|
-
|
|
15
|
-
```Vue
|
|
16
|
-
|
|
17
|
-
<template>
|
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18
|
-
|
|
19
|
-
<b-card
|
|
20
|
-
|
|
21
|
-
header="外部ファイルの読み込み"
|
|
22
|
-
|
|
23
|
-
>
|
|
24
|
-
|
|
25
|
-
<v-list two-line subheader dense>
|
|
26
|
-
|
|
27
|
-
<v-subheader>外部ファイルを読み込む</v-subheader>
|
|
28
|
-
|
|
29
|
-
<v-list-item>
|
|
30
|
-
|
|
31
|
-
<v-list-item-content>
|
|
32
|
-
|
|
33
|
-
<v-list-item-title>
|
|
34
|
-
|
|
35
|
-
<v-file-input
|
|
36
|
-
|
|
37
|
-
label="File input"
|
|
38
|
-
|
|
39
|
-
v-model="file"
|
|
40
|
-
|
|
41
|
-
name=file
|
|
42
|
-
|
|
43
|
-
placeholder="読み込みたいファイル"
|
|
44
|
-
|
|
45
|
-
></v-file-input>
|
|
46
|
-
|
|
47
|
-
</v-list-item-title>
|
|
48
|
-
|
|
49
|
-
</v-list-item-content>
|
|
50
|
-
|
|
51
|
-
<v-list-item-action-text class="pl-4">
|
|
52
|
-
|
|
53
|
-
<b-button
|
|
54
|
-
|
|
55
|
-
variant="outline-success"
|
|
56
|
-
|
|
57
|
-
:disabled="file === ''"
|
|
58
|
-
|
|
59
|
-
size="sm"
|
|
60
|
-
|
|
61
|
-
@click="uploadFile()"
|
|
62
|
-
|
|
63
|
-
>ファイルを読み込む
|
|
64
|
-
|
|
65
|
-
</b-button>
|
|
66
|
-
|
|
67
|
-
</v-list-item-action-text>
|
|
68
|
-
|
|
69
|
-
</v-list-item>
|
|
70
|
-
|
|
71
|
-
<v-divider></v-divider>
|
|
72
|
-
|
|
73
|
-
</v-list>
|
|
74
|
-
|
|
75
|
-
</b-card>
|
|
76
|
-
|
|
77
|
-
</template>
|
|
78
|
-
|
|
79
|
-
<script>
|
|
80
|
-
|
|
81
|
-
export default {
|
|
82
|
-
|
|
83
|
-
data() {
|
|
84
|
-
|
|
85
|
-
return {
|
|
86
|
-
|
|
87
|
-
file: "",
|
|
88
|
-
|
|
89
|
-
};
|
|
90
|
-
|
|
91
|
-
},
|
|
92
|
-
|
|
93
|
-
methods: {
|
|
94
|
-
|
|
95
|
-
uploadFile() {
|
|
96
|
-
|
|
97
|
-
this.$axios.post('/user/impoertUser', this.file, {
|
|
98
|
-
|
|
99
|
-
headers: { 'Content-Type': 'multipart/form-data' }
|
|
100
|
-
|
|
101
|
-
}).then((res) => {
|
|
102
|
-
|
|
103
|
-
console.log(res.data)
|
|
104
|
-
|
|
105
|
-
})
|
|
106
|
-
|
|
107
|
-
}
|
|
108
|
-
|
|
109
|
-
}
|
|
110
|
-
|
|
111
|
-
};
|
|
112
|
-
|
|
113
|
-
</script>
|
|
114
|
-
|
|
115
|
-
|
|
116
|
-
|
|
117
|
-
```
|
|
118
|
-
|
|
119
|
-
```Java
|
|
120
|
-
|
|
121
|
-
package com.example.controller;
|
|
122
|
-
|
|
123
|
-
|
|
124
|
-
|
|
125
|
-
import java.io.BufferedReader;
|
|
126
|
-
|
|
127
|
-
import java.io.IOException;
|
|
128
|
-
|
|
129
|
-
import java.io.InputStream;
|
|
130
|
-
|
|
131
|
-
import java.io.InputStreamReader;
|
|
132
|
-
|
|
133
|
-
import java.io.Reader;
|
|
134
|
-
|
|
135
|
-
|
|
136
|
-
|
|
137
|
-
import org.springframework.beans.factory.annotation.Autowired;
|
|
138
|
-
|
|
139
|
-
import org.springframework.web.bind.annotation.RequestMapping;
|
|
140
|
-
|
|
141
|
-
import org.springframework.web.bind.annotation.RequestMethod;
|
|
142
|
-
|
|
143
|
-
import org.springframework.web.bind.annotation.RequestParam;
|
|
144
|
-
|
|
145
|
-
import org.springframework.web.bind.annotation.RestController;
|
|
146
|
-
|
|
147
|
-
import org.springframework.web.multipart.MultipartFile;
|
|
148
|
-
|
|
149
|
-
|
|
150
|
-
|
|
151
|
-
import com.example.form.RegisterUserForm;
|
|
152
|
-
|
|
153
|
-
import com.example.service.RegisterUserService;
|
|
154
|
-
|
|
155
|
-
|
|
156
|
-
|
|
157
|
-
@RestController
|
|
158
|
-
|
|
159
|
-
@RequestMapping("/user")
|
|
160
|
-
|
|
161
|
-
public class ImportCSVController {
|
|
162
|
-
|
|
163
|
-
|
|
164
|
-
|
|
165
|
-
@Autowired
|
|
166
|
-
|
|
167
|
-
private RegisterUserService registerUserService;
|
|
168
|
-
|
|
169
|
-
|
|
170
|
-
|
|
171
|
-
@RequestMapping(value = "/importUser", headers = "Content-Type= multipart/form-data", method = RequestMethod.POST)
|
|
172
|
-
|
|
173
|
-
public void importUser(@RequestParam("file") MultipartFile uploadFile) {
|
|
174
|
-
|
|
175
|
-
|
|
176
|
-
|
|
177
|
-
System.err.println(uploadFile);
|
|
178
|
-
|
|
179
|
-
|
|
180
|
-
|
|
181
|
-
String line = null;
|
|
182
|
-
|
|
183
|
-
|
|
184
|
-
|
|
185
|
-
try {
|
|
186
|
-
|
|
187
|
-
InputStream stream = uploadFile.getInputStream();
|
|
188
|
-
|
|
189
|
-
Reader reader = new InputStreamReader(stream);
|
|
190
|
-
|
|
191
|
-
BufferedReader buf= new BufferedReader(reader);
|
|
192
|
-
|
|
193
|
-
|
|
194
|
-
|
|
195
|
-
line = buf.readLine();
|
|
196
|
-
|
|
197
|
-
while((line = buf.readLine()) != null) {
|
|
198
|
-
|
|
199
|
-
|
|
200
|
-
|
|
201
|
-
String[] data = line.split(",", 0);
|
|
202
|
-
|
|
203
|
-
|
|
204
|
-
|
|
205
|
-
RegisterUserForm form = new RegisterUserForm();
|
|
206
|
-
|
|
207
|
-
|
|
208
|
-
|
|
209
|
-
form.setUserName(data[0]);
|
|
210
|
-
|
|
211
|
-
form.setMailAddress(data[1]);
|
|
212
|
-
|
|
213
|
-
form.setPassword(data[2]);
|
|
214
|
-
|
|
215
|
-
registerUserService.registerUser(form);
|
|
216
|
-
|
|
217
|
-
|
|
218
|
-
|
|
219
|
-
}
|
|
220
|
-
|
|
221
|
-
|
|
222
|
-
|
|
223
|
-
} catch (IOException e) {
|
|
224
|
-
|
|
225
|
-
|
|
226
|
-
|
|
227
|
-
line = "Can't read contents.";
|
|
228
|
-
|
|
229
|
-
e.printStackTrace();
|
|
230
|
-
|
|
231
|
-
|
|
232
|
-
|
|
233
|
-
}
|
|
234
|
-
|
|
235
|
-
|
|
236
|
-
|
|
237
|
-
}
|
|
238
|
-
|
|
239
|
-
}
|
|
240
|
-
|
|
241
|
-
|
|
242
|
-
|
|
243
|
-
```
|